Sword Art Online#Anime series

The light novel series spans several virtual reality worlds, beginning with the game, Sword Art Online (SAO), which is set in a world known as Aincrad. Each world is built on a game engine called Cardinal system, which was initially developed specifically for SAO by Akihiko Kayaba, but was later duplicated for Alfheim Online (ALO), and a consolidated package is later given to Kirito in the form of the World Seed, who had it leaked online with the successful intention of reviving the virtual reality industry. A third world known as Gun Gale Online (GGO) appears in the third arc and is stylized as a first-person shooter game instead of a role-playing game, and is the main setting of Alternative Gun Gale Online. It was created using the World Seed by an American company. A fourth world appears in the fourth arc known as the Underworld (UW). The world itself was created using the World Seed as a base, but it is as realistic as the real world due to using many powerful government resources to keep it running.

{{see also|List of Sword Art Online characters{{!}}List of Sword Art Online characters}}

In 2022, a virtual reality massively multiplayer online role-playing game (VRMMORPG) called Sword Art Online (SAO) was released. With the NerveGear, a helmet that stimulates the user's five senses via their brain, players can experience and control their in-game characters with their minds. Both the game and the NerveGear were created by Akihiko Kayaba. On November 6, 10,000 players log into SAO{{'}}s mainframe cyberspace for the first time, only to discover that they are unable to log out. Kayaba appears and tells the players that they must beat all 100 floors of Aincrad, a steel castle which is the setting of SAO, if they wish to be free. He also states that those who suffer in-game deaths or forcibly remove the NerveGear out-of-game will suffer real-life deaths.

A player named Kazuto "Kirito" Kirigaya is one of 1,000 testers in the game's previous closed beta. With the advantage of previous VR gaming experience and a drive to protect other beta testers from discrimination, he isolates himself from the greater groups and plays the game alone, bearing the mantle of "beater", a portmanteau of "beta tester" and "cheater". As the players progress through the game Kirito eventually befriends a young woman named Asuna Yuuki, forming a relationship with and later marrying her in-game. After the duo discover the identity of Kayaba's secret ID, who was playing as "Heathcliff", the leader of the guild Asuna joined in, they confront and destroy him, freeing themselves and the other players from the game.

In the real world, Kazuto discovers that 300 SAO players, including Asuna, remain trapped in their NerveGear. As he goes to the hospital to see Asuna, he meets Asuna's father Shouzou Yuuki who is asked by an associate of his, Nobuyuki Sugou, to make a decision, which Sugou later reveals to be his marriage with Asuna, angering Kazuto. Several months later, he is informed by Agil, another SAO survivor, that a figure similar to Asuna was spotted on "The World Tree" in another VRMMORPG cyberspace called Alfheim Online (ALO). Assisted in-game by his cousin and adoptive sister Suguha "Leafa" Kirigaya and Yui, a navigation pixie (originally an AI from SAO), he quickly learns that the trapped players in ALO are part of a plan conceived by Sugou to perform illegal experiments on their minds. The goal is to create the perfect mind-control for financial gain and to subjugate Asuna, whom he intends to marry in the real world, to assume control of her family's corporation. Kirito eventually stops the experiment and rescues the remaining 300 SAO players, foiling Sugou's plans. Before leaving ALO to see Asuna, Kayaba, who has uploaded his mind to the Internet using an experimental, destructively high-powered version of NerveGear at the cost of his life, entrusts Kirito with The Seed{{Snd}} a package program designed to create virtual worlds. Kazuto eventually reunites with Asuna in the real world after thwarting an attack from Sugou and The Seed is released onto the Internet, reviving Aincrad as other VRMMORPGs begin to thrive.

One year after the events of SAO, at the prompting of a government official investigating strange occurrences in VR, Kazuto takes on a job to investigate a series of murders involving another VRMMORPG called Gun Gale Online (GGO), the AmuSphere (the successor of the NerveGear), and a player called Death Gun. Aided by a female player named Shino "Sinon" Asada, he participates in a gunfight tournament called the Bullet of Bullets (BoB) and discovers the truth behind the murders, which originated with a player who participated in a player-killing guild in SAO. Through his and Sinon's efforts, two suspects are captured, though the third suspect, Johnny Black, escapes.

Kazuto is later recruited to test an experimental FullDive machine, Soul Translator (STL), which has an interface far more realistic and complex than the previous machine he had played, to help RATH, a research and development organization under the Ministry of Defense (MOD), develop an artificial intelligence named A.L.I.C.E. He tests the STL by entering the Underworld (UW), a virtual reality cyberspace created with The Seed package. In the UW, the flow of time proceeds a thousand times faster than in the real world, and Kirito's memories of what happens inside are restricted. However, when Johnny Black ambushes and mortally wounds Kazuto with suxamethonium chloride, RATH recovers Kazuto and places him back into the STL to preserve his mind while attempts are made to save him. During his time in Underworld, Kirito befriends Eugeo, a carver in a small village of Rulid, and helps him on a journey to save Alice Zuberg, his friend who was taken by a group of highly skilled warriors known as the Integrity Knights for accidentally breaking a rule of the Axiom Church, the leaders of the Human Empire. He and Eugeo soon find themselves uncovering the secrets of the Axiom Church, led by a woman only known as "The Administrator", and the true purpose of Underworld itself, while unbeknownst to them, a war against the opposing Dark Territory is brewing on the horizon. They meet Alice, now an Integrity Knight, and though she does not remember them, Kirito helps her remember her true identity: a form of true artificial intelligence known as A.L.I.C.E. In the battle against the Administrator, Kirito manages to slay her, though Eugeo dies in the process, to Kirito's dismay.

Meanwhile, in the real world, conflict escalates as American forces raid RATH's facility in the Ocean Turtle in an effort to take A.L.I.C.E. for purposes unknown. Two of the attackers - Gabriel "Vecta" Miller and Vassago "Prince of Hell" Cassals - take control of two Dark Territory characters as they unite the Dark Territory's inhabitants to aid them. With help from all his friends, Kirito manages to stop the attackers as well as foreign players lured by Vassago, and safely extract A.L.I.C.E. from UW, who gains a physical body - with Gabriel and Vassago being killed both virtually and physically in the process. However, Kirito does not log out in time before the flow of time is restored and spends 200 years in UW (about 2 weeks in the real world) with Asuna, who stayed behind for Kirito. After awakening they have their memories of 200 years in underworld removed under Kirito's request, though RATH employee Takeru Higa secretly keeps a backup consciousness of his 200-year self, who have unknown plans for the Underworld.

One month later, Kirito, Asuna, and the others have their accounts forcibly migrated to Unital Ring, a new VRMMORPG which incorporates locations from all the other environments they previously visited, and investigate the cause while meeting some familiar faces.

Reki Kawahara wrote the first volume in 2001 as a competition entry for the 2002 ASCII Media Works {{nihongo|Dengeki Game Novel Prize|電撃ゲーム小説大賞|Dengeki Game Shōsetsu Taishō|extra=now Dengeki Novel Prize}}, but refrained from submitting it as he had exceeded the page limit; he instead published it as a web novel under the pseudonym Fumio Kunori.Afterword of the first light novel volume Over time, he added three further main arcs and several short stories which, like the first arc "Aincrad", were later adapted into the light novels.{{cite web|url=https://www.animenewsnetwork.com/feature/2017-03-01/understanding-sword-art-online/.112843|title=Understanding Sword Art Online|publisher=Anime News Network|date=March 1, 2017|access-date=January 24, 2019|archive-url=https://web.archive.org/web/20190124152400/https://www.animenewsnetwork.com/feature/2017-03-01/understanding-sword-art-online/.112843|archive-date=January 24, 2019|url-status=live|df=mdy-all}}Afterword of the sixth light novel volume{{cite web|url=http://wordgear.x0.com/novel/|author=Fumio Kunori (Reki Kawahara)|title=web novel|work=WordGear|language=ja|access-date=July 7, 2012|url-status=live|archive-url=https://web.archive.org/web/20130217135541/http://wordgear.x0.com/novel/|archive-date=February 17, 2013}} In 2008, he participated in the competition again by writing Accel World, this time winning the Grand Prize. Aside from Accel World, he was requested to get his earlier work, Sword Art Online, published by ASCII Media Works. He agreed and withdrew his web novel versions.

For the protagonist Kirito, Kawahara was asked if Kirito's personality and character were based on his own; he answered that he usually does not put aspects of himself into his characters, and jokingly remarked: "but if I had to say there was a point of similarity between Kirito and myself, it is the fact that neither of us are good at forming parties. We [both] tend to play solo in these games a lot."{{cite web |url=http://www.figure.fm/en/post/47517/Interview+with+Kawahara+Reki+Sakura+Con+2013.html |title=Interview with Kawahara Reki @ Sakura-Con 2013 |publisher=figure.fm |access-date=August 14, 2016 |archive-url=https://web.archive.org/web/20160826004522/http://www.figure.fm/en/post/47517/Interview+with+Kawahara+Reki+Sakura+Con+2013.html |archive-date=August 26, 2016 |df=mdy-all }} He also noted that the female characters in the story were not based on anyone he knew in the real world, stating: "I don't usually make a character, setting, or anything before I start writing. As I write the story, the girls become what they are now. So, somehow, I don't know exactly, but somehow, my subliminal idea or some hidden emotion creates the characters to be strong and capable." He added that he wrote the series to demonstrate that he views online gaming not as a social ill or escape from real life, but rather decided to show games in a more positive light in his light novels. Kawahara also noted that the character of Asuna might have been created a little too perfectly.

{{see also|List of Sword Art Online light novels{{!}}List of Sword Art Online light novels}}

After Kawahara's request for Sword Art Online to be published was approved, he started working with illustrator abec on the light novel series. The first volume was published in print on April 10, 2009,{{Cite book|script-title=ja:ソードアート・オンライン〈1〉アインクラッド (電撃文庫)|language=ja|publisher=Amazon.co.jp|isbn=978-4-04-867760-8|id= {{ASIN|4048677608|country=jp}}|date=April 2009}} and 28 volumes have been published as of June 7, 2024.{{cite web|url=https://dengekibunko.jp/product/322310000918.html|script-title=ja:ソードアート・オンライン28 ユナイタル・リングVII|language=ja|access-date=2024-06-07|archive-date=June 7, 2024|archive-url=https://web.archive.org/web/20240607000335/https://dengekibunko.jp/product/sao/322310000918.html|url-status=live}} The first eight volumes of the light novel series told the story arcs for Sword Art Online, Alfheim Online, and Gun Gale Online. The Alicization story arc was covered by volumes 9 through 18, while volumes 19 and 20 told a side story called Moon Cradle. Kawahara plans on writing "one more big arc" called Unital Ring that will go back to the real world, and it is the first arc not based on the original web novel. The Unital Ring story arc began in volume 21, which was released in Japan on December 7, 2018.{{cite web|url=https://www.animenewsnetwork.com/daily-briefs/2017-12-10/sword-art-online-novels-enter-unital-ring-arc/.125090|title=Sword Art Online Novels Enter 'Unital Ring' Arc|publisher=Anime News Network|date=December 10, 2017|access-date=January 5, 2021|last=Hodgkins|first=Crystalyn|archive-date=January 13, 2021|archive-url=https://web.archive.org/web/20210113150121/https://www.animenewsnetwork.com/daily-briefs/2017-12-10/sword-art-online-novels-enter-unital-ring-arc/.125090|url-status=live}}

Kawahara also writes the Sword Art Online: Progressive series, which covers Kirito's adventures on the first few floors of Aincrad. The first volume of Progressive was released on October 10, 2012,{{Cite book|script-title=ja:ソードアート・オンライン プログレッシブ 1|trans-title=Sword Art Online: Progressive 1|language=ja|publisher=Amazon.co.jp|id= {{ASIN|4048869779|country=jp}}}} and nine volumes have been released as of March 7, 2025.{{cite book|script-title=ja:ソードアート・オンライン プログレッシブ9 (電撃文庫)|language=ja|isbn= 978-4-04-916182-3|date=March 2025|author1=川原礫|publisher=Kadokawa }} The first volume of a light novel series based on Sword Art Online titled Sword Art Online Alternative Gun Gale Online, written by Keiichi Sigsawa with illustrations by Kouhaku Kuroboshi, was published by ASCII Media Works on December 10, 2014.{{cite web|url=https://www.animenewsnetwork.com/news/2014-09-19/kino-journey-sigsawa-writes-sword-art-online-novel/.78933|title=Kino's Journey's Sigsawa Writes Sword Art Online Novel|publisher=Anime News Network|date=September 19, 2014|access-date=September 19, 2014|url-status=live|archive-url=https://web.archive.org/web/20140920033651/http://www.animenewsnetwork.com/news/2014-09-19/kino-journey-sigsawa-writes-sword-art-online-novel/.78933|archive-date=September 20, 2014}} An original 100-page prequel novel to Sword Art Online the Movie: Ordinal Scale written by Kawahara, titled Hopeful Chant, was released to people who watched the film in Japan during March 4–10, 2017.{{cite web|url=http://www.crunchyroll.com/anime-news/2017/03/02/sword-art-online-the-movie-ordinal-scale-tops-1-billion-yen-at-domestic-box-office|title=1 billion Yen and Hopeful Chant announced|publisher=Crunchyroll|date=March 2, 2017|access-date=March 4, 2017|url-status=live|archive-url=https://web.archive.org/web/20170305040908/http://www.crunchyroll.com/anime-news/2017/03/02/sword-art-online-the-movie-ordinal-scale-tops-1-billion-yen-at-domestic-box-office|archive-date=March 5, 2017}}

At their Japan Expo USA panel, Yen Press announced the rights to publish the light novels; the first volume was released on April 22, 2014.{{cite web|url=https://www.animenewsnetwork.com/news/2013-08-23/yen-press-adds-sword-art-online-accel-world-light-novels-more-madoka-magica-manga|title=Yen Press Adds Sword Art Online, Accel World Light Novels, More Madoka Magica Manga|publisher=Anime News Network|date=August 23, 2013|access-date=August 23, 2013|url-status=live|archive-url=https://web.archive.org/web/20130823195148/http://www.animenewsnetwork.com/news/2013-08-23/yen-press-adds-sword-art-online-accel-world-light-novels-more-madoka-magica-manga|archive-date=August 23, 2013}}{{cite web|url=http://www.crunchyroll.com/anime-news/2013/09/16/sword-art-online-light-novel-and-manga-release-details-listed|title="Sword Art Online" Light Novel and Manga Release Details Listed|publisher=Crunchyroll|date=September 16, 2013|access-date=September 17, 2013|url-status=live|archive-url=https://web.archive.org/web/20130919005255/http://www.crunchyroll.com/anime-news/2013/09/16/sword-art-online-light-novel-and-manga-release-details-listed|archive-date=September 19, 2013}} Yen Press later announced their license of the Sword Art Online: Progressive series, which is scheduled for release in 2015.{{cite web|url=https://www.animenewsnetwork.com/news/2014-06-13/yen-press-licenses-akame-ga-kill-sword-art-online-progressive-kagerou-daze/.75539|title=Yen Press Licenses Akame Ga Kill!, Sword Art Online: Progressive, Kagerou Daze|publisher=Anime News Network|date=June 13, 2014|access-date=June 26, 2014|url-status=live|archive-url=https://web.archive.org/web/20140630112521/http://www.animenewsnetwork.com/news/2014-06-13/yen-press-licenses-akame-ga-kill-sword-art-online-progressive-kagerou-daze/.75539|archive-date=June 30, 2014}} The novels are also published in China, Taiwan, South Korea, Thailand and Vietnam,{{cite web|url=https://www.animenewsnetwork.com/news/2014-12-19/sword-art-online-light-novels-have-more-than-16.7-million-copies-in-print-worldwide/.82398|title=Sword Art Online Light Novels Have More Than 16.7 Million Copies in Print Worldwide|publisher=Anime News Network|date=December 19, 2014|access-date=December 19, 2014|url-status=live|archive-url=https://web.archive.org/web/20141219202116/http://www.animenewsnetwork.com/news/2014-12-19/sword-art-online-light-novels-have-more-than-16.7-million-copies-in-print-worldwide/.82398|archive-date=December 19, 2014}} with future plans for publications in France,{{cite web|url=https://www.facebook.com/OfelbeEditions|title=Ofelbe Editions|publisher=Facebook|date=March 13, 2014|access-date=April 2, 2014|url-status=live|archive-url=https://web.archive.org/web/20150131123219/https://www.facebook.com/OfelbeEditions|archive-date=January 31, 2015}} Germany, Italy, Austria, Switzerland and others.

There are a number of dōjinshi (fan works) written by Kawahara under the pseudonym Fumio Kunori, titled {{nihongo|Sword Art Online Material Edition|ソードアート・オンライン・マテリアル・エディション}}.{{cite web|url=http://www.toranoana.jp/shop/gallery/detail/2014/2/55426/index.html|title=なんば店A 【全年齢向け同人誌】九里史生先生のサークル【WordGear】様による『ソードアート・オンライン・マテリアル・エディション11』とらのあな専売で好評発売中!!|publisher=Toranoana|access-date=June 20, 2014|language=ja|archive-url=https://web.archive.org/web/20140714153515/http://www.toranoana.jp/shop/gallery/detail/2014/2/55426/index.html|archive-date=July 14, 2014}} An 80-page assemblage of some of the Material Edition volumes was published on February 13, 2011;{{cite web|url=http://www.toranoana.jp/mailorder/cot/pagekit/0000/00/04/000000044428/index.html|title=大人気ライトノベル作者による同人誌が遂にとらのあなに登場！サークル【WordGear】の『ソードアート・オンライン マテリアル・エディション総集編』をご紹介!|publisher=Toranoana|access-date=June 20, 2014|language=ja|archive-date=July 25, 2020|archive-url=https://web.archive.org/web/20200725015959/https://ec.toranoana.jp/tora_r/ec/|url-status=live}} another, Material Edition: Remix, was published on September 6, 2019. The latest release is Material Edition volume 29 on May 12, 2019. The author has also created some other dōjinshi including Lisbeth Edition, Silica Edition and Pina Edition under cooperation with Kurusu Tatsuya from ponz.info.{{cite web|url=http://www.ce.cn/culture/gd/201211/23/t20121123_23875946.shtml|script-title=zh:原作者执笔同人志<刀剑神域 西莉卡篇>发售(图)|publisher=Ce.cn|access-date=June 20, 2014|language=zh|url-status=live|archive-url=https://web.archive.org/web/20140714123208/http://www.ce.cn/culture/gd/201211/23/t20121123_23875946.shtml|archive-date=July 14, 2014}}{{cite web|url=http://www.toranoana.jp/mailorder/article/04/0030/12/33/040030123365.html|script-title=ja:ソードアート・オンライン ピナ・エディション|publisher=Toranoana|access-date=June 20, 2014|language=ja}} It is reported that these dōjinshi gain traction from the involvement of the original author in its creation process, as well as from supplying more details on characters from the original work.

{{see also|List of Sword Art Online manga volumes{{!}}List of Sword Art Online manga volumes}}

There are ten manga adaptations of the series, all written by Reki Kawahara and published by ASCII Media Works. {{Nihongo|Sword Art Online: Aincrad|ソードアート・オンライン アインクラッド}}, illustrated by Tamako Nakamura, was serialized in Dengeki Bunko Magazine between the September 2010 and May 2012 issues. Two tankōbon volumes of Aincrad were released on September 27, 2012.{{cite web|url=http://asciimw.jp/search/mode/item/cd/311728700000|script-title=ja:ソードアート・オンライン アインクラッド 1|trans-title=Sword Art Online: Aincrad 1|publisher=ASCII Media Works|access-date=March 26, 2014|language=ja|url-status=live|archive-url=https://web.archive.org/web/20140116101345/http://asciimw.jp/search/mode/item/cd/311728700000|archive-date=January 16, 2014}}{{cite web|url=http://asciimw.jp/search/mode/item/cd/311728800000|script-title=ja:ソードアート・オンライン アインクラッド 2|trans-title=Sword Art Online: Aincrad 2|publisher=ASCII Media Works|access-date=March 26, 2014|language=ja|url-status=live|archive-url=https://web.archive.org/web/20140116101258/http://asciimw.jp/search/mode/item/cd/311728800000|archive-date=January 16, 2014}} A comedy four-panel manga, titled {{Nihongo|Sword Art Online|そーどあーと☆おんらいん。}} and illustrated by Jūsei Minami, began serialization in the September 2010 issue of Dengeki Bunko Magazine. The first volume of Sword Art Online was released on September 27, 2012.{{cite web|url=http://asciimw.jp/search/mode/item/cd/311728600000|script-title=ja:そーどあーと☆おんらいん。(1)|trans-title=Sword Art Online. (1)|publisher=ASCII Media Works|access-date=March 26, 2014|language=ja|url-status=live|archive-url=https://web.archive.org/web/20140413123607/http://asciimw.jp/search/mode/item/cd/311728600000|archive-date=April 13, 2014}} A third manga, titled {{Nihongo|Sword Art Online: Fairy Dance|ソードアート・オンライン フェアリィ・ダンス}} and illustrated by Hazuki Tsubasa, began serialization in the May 2012 issue of Dengeki Bunko Magazine. The first volume of Fairy Dance was released on October 27, 2012;{{cite web|url=http://asciimw.jp/search/mode/item/cd/311740800000|script-title=ja:ソードアート・オンライン フェアリィ・ダンス1|trans-title=Sword Art Online: Fairy Dance 1|publisher=ASCII Media Works|access-date=March 26, 2014|language=ja|url-status=live|archive-url=https://web.archive.org/web/20140413141454/http://asciimw.jp/search/mode/item/cd/311740800000|archive-date=April 13, 2014}} the third volume was released on June 27, 2014.{{cite news|url=http://asciimw.jp/search/mode/item/cd/312107000000|script-title=ja:ソードアート・オンライン フェアリィ・ダンス3|trans-title=Sword Art Online: Fairy Dance 3|publisher=ASCII Media Works|access-date=June 30, 2014|language=ja|url-status=live|archive-url=https://web.archive.org/web/20140714194238/http://asciimw.jp/search/mode/item/cd/312107000000|archive-date=July 14, 2014 |newspaper=Kadokawaオフィシャルサイト }} The Aincrad and Fairy Dance manga have been acquired for release in North America by Yen Press. The first volume of Aincrad was published on March 25, 2014.

A spin-off manga starring Lisbeth, Silica, and Leafa, titled {{Nihongo|Sword Art Online: Girls Ops|ソードアート・オンライン ガールズ・オプス}} and illustrated by Neko Nekobyō, began serialization in the July 2013 issue of Dengeki Bunko Magazine.{{cite web|url=https://www.animenewsnetwork.com/news/2013-04-09/sword-art-online-inspires-girls-ops-manga|title=Sword Art Online Inspires Girls Ops Manga|publisher=Anime News Network|date=April 9, 2013|access-date=May 2, 2014|url-status=live|archive-url=https://web.archive.org/web/20140928212852/http://www.animenewsnetwork.com/news/2013-04-09/sword-art-online-inspires-girls-ops-manga|archive-date=September 28, 2014}} Following the discontinuation of Dengeki Bunko Magazine in April 2020, the manga was moved to the DenPlay Comic website.{{cite web|url=https://www.animenewsnetwork.com/news/2020-04-26/sword-art-online-girls-ops-manga-moves-to-denplay-comic-website/.158998|title=Sword Art Online: Girls Ops Manga Moves to DenPlay Comic Website|publisher=Anime News Network|date=April 26, 2020|access-date=May 24, 2020|archive-date=May 14, 2020|archive-url=https://web.archive.org/web/20200514195337/https://www.animenewsnetwork.com/news/2020-04-26/sword-art-online-girls-ops-manga-moves-to-denplay-comic-website/.158998|url-status=live}} Girls Ops was licensed by Yen Press in November 2014, the first volume of which was released on May 19, 2015.{{cite web|url=https://www.animenewsnetwork.com/news/2014-11-21/yen-press-adds-kingdom-hearts-light-novel-series/.81255|title=Yen Press Adds Kingdom Hearts Light Novel Series|publisher=Anime News Network|date=November 21, 2014|access-date=November 28, 2014|url-status=live|archive-url=https://web.archive.org/web/20141125062706/http://www.animenewsnetwork.com/news/2014-11-21/yen-press-adds-kingdom-hearts-light-novel-series/.81255|archive-date=November 25, 2014}}{{Cite book|isbn=978-0-316-34205-6|title=Sword Art Online: Girls' Ops, Vol. 1|last1=Kawahara|first1=Reki|date=May 19, 2015|publisher=Yen Press }} A manga adaption of Sword Art Online: Progressive, illustrated by Kiseki Himura, began serialization in the August 2013 issue of Dengeki G's Magazine. The manga ended serialization in the magazine's May 2014 issue and was transferred to Dengeki G's Comic starting with the June 2014 issue.{{cite web|archive-url=https://web.archive.org/web/20140430070215/http://gs.dengeki.com/comic/6305/|url=http://gs.dengeki.com/comic/6305/|title=電撃G'sコミックVol.1|work=電撃G's magazine.com - ラブライブ！など人気のキャラクター専門誌 |trans-title=Dengeki G's Comic Vol. 1|publisher=ASCII Media Works|archive-date=April 30, 2014|access-date=May 17, 2014|language=ja}} The Progressive manga adaption has been licensed by Yen Press, with the first two volumes released in January and April 2015, respectively.{{citation|url=http://www.hachettebookgroup.com/titles/reki-kawahara/sword-art-online-progressive-vol-1-manga/9780316259378/|title=Sword Art Online Progressive, Vol. 1 (manga)|publisher=Hachette Book Group USA|access-date=June 26, 2014|archive-url=https://web.archive.org/web/20141109062213/http://www.hachettebookgroup.com/titles/reki-kawahara/sword-art-online-progressive-vol-1-manga/9780316259378/|archive-date=November 9, 2014}}

A sixth manga, titled Sword Art Online: Phantom Bullet and illustrated by Kōtarō Yamada, had its first chapter serialized in the May 2014 issue of Dengeki Bunko Magazine, with following chapters being digitally serialized on Kadokawa's Comic Walker website. A seventh manga, titled Sword Art Online: Calibur and illustrated by Shii Kiya, was serialized in Dengeki G's Comic between the September 2014 and July 2015 issues.{{cite web|url=http://gs.dengeki.com/comic/9371/|title=電撃G'sコミックVol.3|work=電撃G's magazine.com - ラブライブ！など人気のキャラクター専門誌 |trans-title=Dengeki G's Comic Vol. 3|publisher=ASCII Media Works|access-date=July 22, 2014|language=ja|url-status=live|archive-url=https://web.archive.org/web/20140728130121/http://gs.dengeki.com/comic/9371/|archive-date=July 28, 2014}} A single compilation volume was released on August 10, 2015.{{cite web|title=ソードアート・オンライン キャリバー|url=http://dc.dengeki.com/newreleases/978-4-04-865303-9/|publisher=Dengeki Comics|access-date=March 24, 2018|language=ja|archive-url=https://web.archive.org/web/20180310222038/http://dc.dengeki.com/newreleases/978-4-04-865303-9/|archive-date=March 10, 2018|url-status=live|df=mdy-all}} An eighth manga, titled Sword Art Online: Mother's Rosario and also by Tsubasa, is based on the seventh volume of the novel series and began serialization in the July 2014 issue of Dengeki Bunko Magazine.{{cite web|title=Tsubasa Hazuki's Sword Art Online: Mother's Rosary Manga Ends|url=https://www.animenewsnetwork.com/news/2016-04-11/tsubasa-hazuki-sword-art-online-mother-rosary-manga-ends/.100926|publisher=Anime News Network|access-date=March 24, 2018|date=April 11, 2016|archive-url=https://web.archive.org/web/20180324101858/https://www.animenewsnetwork.com/news/2016-04-11/tsubasa-hazuki-sword-art-online-mother-rosary-manga-ends/.100926|archive-date=March 24, 2018|url-status=live|df=mdy-all}} A ninth manga, an adaptation of Sword Art Online Alternative Gun Gale Online, began serialization in the November 2015 issue of Dengeki Maoh.{{cite web |url=https://natalie.mu/comic/news/164185 |script-title=ja:マオウ10周年の読み切り祭りに田中久仁彦、武田すんら、新連載も一挙開始 |date=October 27, 2015 |website=Natalie |language=ja |access-date=March 24, 2018 |archive-url=https://web.archive.org/web/20180204182302/https://natalie.mu/comic/news/164185 |archive-date=February 4, 2018 |url-status=live |df=mdy-all }}

A tenth manga, titled Sword Art Online: Project Alicization and illustrated by Kōtarō Yamada, based on the Alicization arc of the light novel series, began serialization in the September 2016 issue of Dengeki Bunko Magazine.{{cite web|title=Sword Art Online Gets Project Alicization Manga|url=https://www.animenewsnetwork.com/news/2016-06-17/sword-art-online-gets-project-alicization-manga/.103321|publisher=Anime News Network|access-date=March 24, 2018|date=June 18, 2016|archive-url=https://web.archive.org/web/20180324103422/https://www.animenewsnetwork.com/news/2016-06-17/sword-art-online-gets-project-alicization-manga/.103321|archive-date=March 24, 2018|url-status=live|df=mdy-all}} It moved to Web DenPlay Comic due to the discontinuation of Dengeki Bunko Magazine.{{cite web|url=https://www.animenewsnetwork.com/news/2020-04-10/sword-art-online-project-alicization-manga-moves-online/.158458|title=Sword Art Online Project Alicization Manga Moves Online|publisher=Anime News Network|date=April 10, 2020|access-date=April 10, 2020|archive-date=October 22, 2021|archive-url=https://web.archive.org/web/20211022065620/https://www.animenewsnetwork.com/news/2020-04-10/sword-art-online-project-alicization-manga-moves-online/.158458|url-status=live}}

{{see also|List of Sword Art Online episodes{{!}}List of Sword Art Online episodes}}

An anime adaptation of Sword Art Online was announced at Dengeki Bunko Autumn Festival 2011, along with Reki Kawahara's other light novel series, Accel World.{{cite web|url=https://www.animenewsnetwork.com/news/2011-10-01/sword-art-online-light-novels-about-virtual-mmo-get-anime|title=Sword Art Online Light Novels About Virtual MMO Get Anime|publisher=Anime News Network|date=October 1, 2011|access-date=June 19, 2012|url-status=live|archive-url=https://web.archive.org/web/20120603104318/http://www.animenewsnetwork.com/news/2011-10-01/sword-art-online-light-novels-about-virtual-mmo-get-anime|archive-date=June 3, 2012}} The anime is produced by Aniplex and Genco, animated by A-1 Pictures and directed by Tomohiko Ito with music by Yuki Kajiura.{{cite web|url=https://www.animenewsnetwork.com/interest/2012-03-31/madoka-magica-and-.hack-kajiura-scores-sword-art-online|title=Madoka Magica & .hack{{'}}s Kajiura Scores Sword Art Online|publisher=Anime News Network|date=March 31, 2011|access-date=June 19, 2012|url-status=live|archive-url=https://web.archive.org/web/20120606194719/http://www.animenewsnetwork.com/interest/2012-03-31/madoka-magica-and-.hack-kajiura-scores-sword-art-online|archive-date=June 6, 2012}} The anime aired on Tokyo MX, tvk, TVS, TV Aichi, RKB, HBC, and MBS between July 7 and December 22, 2012, and on AT-X, Chiba TV, and BS11 at later dates.{{cite web|url=http://www.swordart-online.net/onair/index.html|title=Sword Art Online official air dates|language=ja|access-date=June 19, 2012|url-status=live|archive-url=https://web.archive.org/web/20131021011005/http://www.swordart-online.net/onair/index.html|archive-date=October 21, 2013}} The series was also streamed on Crunchyroll and Hulu.{{cite web|archive-url=https://web.archive.org/web/20130103101658/http://www.crunchyroll.com/sword-art-online|url=http://www.crunchyroll.com/sword-art-online|archive-date=January 3, 2013|title=Sword Art Online|publisher=Crunchyroll|access-date=October 12, 2014}} The anime is adapted from the first four novels and parts of volume 8.

The anime has been licensed in North America by Aniplex of America{{cite web|title=Aniplex USA Adds Sword Art Online, Blast of Tempest, Magi Anime|url=https://www.animenewsnetwork.com/news/2012-10-12/aniplex-usa-adds-sword-art-online-blast-of-tempest-magi-anime|publisher=Anime News Network|date=October 12, 2012|access-date=September 28, 2013|url-status=live|archive-url=https://web.archive.org/web/20131004070522/http://www.animenewsnetwork.com/news/2012-10-12/aniplex-usa-adds-sword-art-online-blast-of-tempest-magi-anime|archive-date=October 4, 2013}} and an English-language dub premiered on Adult Swim's Toonami from July 27, 2013{{cite web|url=http://www.crunchyroll.com/anime-news/2013/06/27/toonami-sword-art-online-premiere-scheduled|title=Toonami "Sword Art Online" Premiere Scheduled|publisher=Crunchyroll|date=June 27, 2013|access-date=June 27, 2013|url-status=live|archive-url=https://web.archive.org/web/20130630200355/http://www.crunchyroll.com/anime-news/2013/06/27/toonami-sword-art-online-premiere-scheduled|archive-date=June 30, 2013}} to February 15, 2014. The series was released by Aniplex of America in four DVD and Blu-ray sets, with special extras on the BD sets, between August 13 and November 19, 2013.{{cite web|title=Sword Art Online to Air on Toonami Starting in August|url=https://www.animenewsnetwork.com/news/2013-05-24/sword-art-online-to-air-on-toonami-starting-in-august|publisher=Anime News Network|date=May 24, 2013|access-date=May 24, 2013|url-status=live|archive-url=https://web.archive.org/web/20130607043132/http://www.animenewsnetwork.com/news/2013-05-24/sword-art-online-to-air-on-toonami-starting-in-august|archive-date=June 7, 2013}} Manga Entertainment released the first series on BD/DVD in the United Kingdom in December 2013,{{cite web|url=https://www.animenewsnetwork.com/news/2013-08-03/manga-to-release-sword-art-online-blu-ray-and-dvd-in-december|title=Manga To Release Sword Art Online Blu-ray and DVD in December|publisher=Anime News Network|date=August 3, 2013|access-date=September 28, 2013|url-status=live|archive-url=https://web.archive.org/web/20131004140341/http://www.animenewsnetwork.com/news/2013-08-03/manga-to-release-sword-art-online-blu-ray-and-dvd-in-december|archive-date=October 4, 2013}} whilst Madman Entertainment released the series in Australia{{cite web|title=Madman Entertainment Loads Up On New Anime Acquisitions|work=The Fandom Post |url=http://www.fandompost.com/2012/11/12/madman-entertainment-loads-up-on-new-anime-acquisitions|publisher=Madman Entertainment|date=November 12, 2012|access-date=September 28, 2013|url-status=live|archive-url=https://web.archive.org/web/20121219143333/http://www.fandompost.com/2012/11/12/madman-entertainment-loads-up-on-new-anime-acquisitions/|archive-date=December 19, 2012}} and the English-language version began airing on ABC Me on June 7, 2014.{{cite web|url=http://www.madman.com.au/news/more-anime-for-your-tv-screen-sword-art-online-coming-to-abc3/|title=More Anime for your TV screen! Sword Art Online coming to ABC3|publisher=Madman Entertainment|date=May 29, 2014|access-date=June 7, 2014|url-status=live|archive-url=https://web.archive.org/web/20140714201354/http://www.madman.com.au/news/more-anime-for-your-tv-screen-sword-art-online-coming-to-abc3/|archive-date=July 14, 2014}} Sword Art Online has been available on Netflix in North America since March 15, 2014.{{cite web|url=https://twitter.com/aniplexUSA/status/443811041462325248|title=Sword Art Online on Netflix|publisher=Aniplex USA|date=March 12, 2014|access-date=April 2, 2014|url-status=live|archive-url=https://web.archive.org/web/20140411045423/https://twitter.com/aniplexUSA/status/443811041462325248|archive-date=April 11, 2014}}

A year-end special, titled Sword Art Online Extra Edition, aired on December 31, 2013. The special recapped the previously aired anime series and included some new footage.{{cite web|url=https://www.animenewsnetwork.com/news/2013-08-12/sword-art-online-extra-edition-to-air-with-new-footage|title=Sword Art Online Extra Edition to Air With New Footage|publisher=Anime News Network|date=August 12, 2013|access-date=September 28, 2013|url-status=live|archive-url=https://web.archive.org/web/20131004085421/http://www.animenewsnetwork.com/news/2013-08-12/sword-art-online-extra-edition-to-air-with-new-footage|archive-date=October 4, 2013}}{{cite web|url=http://www.fandompost.com/2014/01/08/sword-art-online-extra-edition-anime-review/|title=Sword Art Online Extra Edition Anime Review|work=The Fandom Post |date=January 8, 2014|access-date=January 9, 2020|archive-date=July 25, 2020|archive-url=https://web.archive.org/web/20200725020054/https://www.fandompost.com/2014/01/08/sword-art-online-extra-edition-anime-review/|url-status=live}} Extra Edition was streamed worldwide a few hours after its airing in Japan.{{cite web|url=https://www.animenewsnetwork.com/press-release/2013-12-27/sword-art-online-extra-edition-to-stream-worldwide-on-daisuki.net|title=Sword Art Online Extra Edition to Stream Worldwide on Daisuki.net|publisher=Anime News Network|date=December 27, 2013|access-date=April 2, 2014|url-status=live|archive-url=https://web.archive.org/web/20140202215753/http://www.animenewsnetwork.com/press-release/2013-12-27/sword-art-online-extra-edition-to-stream-worldwide-on-daisuki.net|archive-date=February 2, 2014}} The two-hour-long special was available on Daisuki worldwide except for French-speaking areas, as well as China and Korea. Daisuki offered subtitles in various languages such as English, Spanish, Portuguese, Italian, and German. English-speaking countries, Mexico, Central and South America could also watch the stream on Crunchyroll.{{cite web|url=https://www.animenewsnetwork.com/press-release/2013-11-11/sword-art-online-extra-edition-set-to-stream-worldwide|title=Sword Art Online Extra Edition Set to Stream Worldwide|publisher=Anime News Network|date=November 11, 2013|access-date=April 2, 2014|url-status=live|archive-url=https://web.archive.org/web/20140208160132/http://www.animenewsnetwork.com/press-release/2013-11-11/sword-art-online-extra-edition-set-to-stream-worldwide|archive-date=February 8, 2014}} Extra Edition was also simulcast in Korea on Aniplus cable channel and in China on the LeTV streaming website. French-speaking countries could watch on the Wakanim streaming website. The Blu-ray and DVD of Extra Edition was released on April 23, 2014, in Japan.{{cite web|url=http://www.swordart-online.net/package/|title=Blu-ray&DVD|publisher=Aniplex|access-date=April 2, 2014|url-status=live|archive-url=https://web.archive.org/web/20140407063330/http://www.swordart-online.net/package/|archive-date=April 7, 2014}} The limited edition included a Yui character song titled "Heart Sweet Heart" by Kanae Itō and an original side story written by Kawahara titled {{Nihongo|"Sword Art Online Niji no Hashi"|ソードアート・オンライン 虹の橋|Sword Art Online Rainbow Bridge}}.

At the end of the special, the anime television series was confirmed for a second season, titled Sword Art Online II, which premiered on July 5, 2014.{{cite web|url=https://www.animenewsnetwork.com/news/2014-05-17/anime-expo-to-host-sword-art-online-ii-premiere-event-with-reki-kawahara-abec|title=Anime Expo to Host Sword Art Online II Premiere Event with Reki Kawahara, abec|publisher=Anime News Network|date=May 17, 2014|access-date=May 17, 2014|url-status=live|archive-url=https://web.archive.org/web/20140518234735/http://www.animenewsnetwork.com/news/2014-05-17/anime-expo-to-host-sword-art-online-ii-premiere-event-with-reki-kawahara-abec|archive-date=May 18, 2014}}{{cite web|title=VIDEO: "Sword Art Online II" Anime Activated|url=http://www.crunchyroll.com/anime-news/2013/12/31/sword-art-online-ii-anime-activated|publisher=Crunchyroll|date=December 31, 2013|access-date=December 31, 2013|url-status=live|archive-url=https://web.archive.org/web/20140101084518/http://www.crunchyroll.com/anime-news/2013/12/31/sword-art-online-ii-anime-activated|archive-date=January 1, 2014}} The first 14 episodes of the second season are an adaptation of volumes 5 and 6 of the light novels that cover the Phantom Bullet arc.{{cite web|url=https://www.animenewsnetwork.com/news/2014-03-16/sword-art-online-ii-july-premiere-new-visual-unveiled|title=Sword Art Online II's July Premiere, New Visual Unveiled|publisher=Anime News Network|date=March 16, 2014|access-date=April 2, 2014|url-status=live|archive-url=https://web.archive.org/web/20140409102119/http://www.animenewsnetwork.com/news/2014-03-16/sword-art-online-ii-july-premiere-new-visual-unveiled|archive-date=April 9, 2014}} Episodes 15 to 17 cover the Calibur arc from volume 8 of the novels, with episodes 18 to 24 covering volume 7 of the novels, the Mother's Rosario arc. Premiere screening events of the second season were held in the United States, France, Germany, Hong Kong, Taiwan, Korea, and Japan before the television premiere between June 29 and July 4, 2014.{{cite web|url=http://www.crunchyroll.com/anime-news/2014/04/19/sword-art-online-ii-worldwide-simulcast-confirmed|title="Sword Art Online II" Worldwide Simulcast Confirmed|publisher=Crunchyroll|date=April 20, 2014|access-date=May 5, 2014|first1=Scott|last1=Green|url-status=live|archive-url=https://web.archive.org/web/20140505180602/http://www.crunchyroll.com/anime-news/2014/04/19/sword-art-online-ii-worldwide-simulcast-confirmed|archive-date=May 5, 2014}}{{cite web|url=http://www.swordart-online.net/worldpremiere/|title=WORLD PREMIERE ソードアート・オンライン|publisher=Aniplex|language=ja|access-date=May 17, 2014|url-status=live|archive-url=https://web.archive.org/web/20140518004927/http://www.swordart-online.net/worldpremiere/|archive-date=May 18, 2014}} At Katsucon, it was announced that the English dub of the second season would air on Toonami beginning March 28, 2015.{{cite web|url=https://www.animenewsnetwork.com/news/2015-02-14/sword-art-online-ii-english-dub-to-run-on-toonami/.84458|title=Sword Art Online II English Dub to Run on Toonami|publisher=Anime News Network|date=March 14, 2015|access-date=April 15, 2015|url-status=live|archive-url=https://web.archive.org/web/20150418040202/http://www.animenewsnetwork.com/news/2015-02-14/sword-art-online-ii-english-dub-to-run-on-toonami/.84458|archive-date=April 18, 2015}}

The third season of Sword Art Online, titled Sword Art Online: Alicization, and a spin-off anime, titled Sword Art Online Alternative Gun Gale Online, were announced in 2017.{{cite web|url=https://twitter.com/sao_anime/status/914323363501182976|title=Sword Art Online Season 3 confirm in Japan|date=October 1, 2017|website=Twitter|access-date=October 1, 2017|url-status=live|archive-url=https://web.archive.org/web/20180323160103/https://twitter.com/sao_anime/status/914323363501182976|archive-date=March 23, 2018}} Sword Art Online Alternative Gun Gale Online, animated by 3Hz, premiered in April 2018.{{cite web|url=https://www.animenewsnetwork.com/daily-briefs/2018-01-03/sword-art-online-alternative-gun-gale-online-anime-premieres-in-april/.126016|title=Sword Art Online Alternative: Gun Gale Online Anime Premieres in April|publisher=Anime News Network|date=January 3, 2018|access-date=January 3, 2018|url-status=live|archive-url=https://web.archive.org/web/20180104073118/https://www.animenewsnetwork.com/daily-briefs/2018-01-03/sword-art-online-alternative-gun-gale-online-anime-premieres-in-april/.126016|archive-date=January 4, 2018}}{{cite web|url=https://www.animenewsnetwork.com/news/2018-01-31/sword-art-online-alternative-gun-gale-online-reveals-visual-studio-3hz/.127165|title=Sword Art Online Alternative Gun Gale Online Reveals Visual, Studio 3Hz|date=January 31, 2018|website=Anime News Network|access-date=January 13, 2018|url-status=live|archive-url=https://web.archive.org/web/20180131204057/https://www.animenewsnetwork.com/news/2018-01-31/sword-art-online-alternative-gun-gale-online-reveals-visual-studio-3hz/.127165|archive-date=January 31, 2018}} Sword Art Online: Alicization aired from October 6, 2018, to March 30, 2019,{{cite web|url=https://www.animenewsnetwork.com/news/2018-03-23/sword-art-online-alicization-anime-1st-video-reveals-staff-october-premiere/.129432|title=Sword Art Online: Alicization Anime's 1st Video Reveals Staff, October Premiere|publisher=Anime News Network|date=March 23, 2018|access-date=March 23, 2018|archive-url=https://web.archive.org/web/20180324110454/https://www.animenewsnetwork.com/news/2018-03-23/sword-art-online-alicization-anime-1st-video-reveals-staff-october-premiere/.129432|archive-date=March 24, 2018|url-status=live|df=mdy-all}} with a one-hour world premiere which aired in Japan, the United States, Australia, France, Germany, Russia, and South Korea on September 15, 2018.{{cite web|url=https://www.animenewsnetwork.com/news/2018-08-09/sword-art-online-alicization-anime-gets-1-hour-world-premiere-in-7-countries/.135318|title=Sword Art Online: Alicization Anime Gets 1-Hour World Premiere in 7 Countries|last1=Antonio Pineda|first1=Rafael|date=August 9, 2018|publisher=Anime News Network|access-date=August 10, 2018|archive-url=https://web.archive.org/web/20180810063005/https://www.animenewsnetwork.com/news/2018-08-09/sword-art-online-alicization-anime-gets-1-hour-world-premiere-in-7-countries/.135318|archive-date=August 10, 2018|url-status=live|df=mdy-all}} The English dub of the third season premiered on February 9, 2019, on Toonami.{{cite web|url=https://www.animenewsnetwork.com/news/2019-01-24/sword-art-online-alicization-premieres-on-toonami-on-february-9/.142511|title=Sword Art Online: Alicization Premieres on Toonami on February 9|date=January 24, 2019|website=Anime News Network|access-date=January 24, 2019|archive-url=https://web.archive.org/web/20190125021809/https://www.animenewsnetwork.com/news/2019-01-24/sword-art-online-alicization-premieres-on-toonami-on-february-9/.142511|archive-date=January 25, 2019|url-status=live|df=mdy-all}} The season was originally announced to air for four cours, and adapt from the novel's ninth volume, Alicization Beginning, to the eighteenth volume, Alicization Lasting.{{cite web |title=TV Anime Sword Art Online: Alicization Set to Be Aired for Four Cours |url=http://www.crunchyroll.com/anime-news/2018/09/09/tv-anime-sword-art-online-alicization-set-to-be-aired-for-four-cours |website=Crunchyroll |access-date=September 10, 2018 |date=September 10, 2018 |archive-url=https://web.archive.org/web/20180910204015/http://www.crunchyroll.com/anime-news/2018/09/09/tv-anime-sword-art-online-alicization-set-to-be-aired-for-four-cours |archive-date=September 10, 2018 |url-status=live |df=mdy-all }} However, the season ended at episode 24 on March 30, 2019 (completing the fourteenth volume of the novel, Alicization Uniting), and continued on October 12, 2019, with a second part titled War of Underworld.{{cite web|url=https://www.animenewsnetwork.com/news/2019-03-30/sword-art-online-alicization-war-of-underworld-anime-teaser-reveals-october-premiere/.145214|title=Sword Art Online: Alicization{{Snd}} War of Underworld Anime's Teaser Reveals October Premiere|date=March 30, 2019|publisher=Anime News Network|access-date=March 30, 2019|archive-date=December 3, 2021|archive-url=https://web.archive.org/web/20211203200506/https://www.animenewsnetwork.com/news/2019-03-30/sword-art-online-alicization-war-of-underworld-anime-teaser-reveals-october-premiere/.145214|url-status=live}}{{cite web|url=https://www.animenewsnetwork.com/daily-briefs/2019-09-10/sword-art-online-alicization-war-of-underworld-anime-premieres-on-october-12/.150939|title=Sword Art Online: Alicization{{Snd}} War of Underworld Anime Premieres on October 12|date=September 10, 2019|publisher=Anime News Network|access-date=September 10, 2019|archive-date=September 29, 2022|archive-url=https://web.archive.org/web/20220929092606/https://www.animenewsnetwork.com/daily-briefs/2019-09-10/sword-art-online-alicization-war-of-underworld-anime-premieres-on-october-12/.150939|url-status=live}} The second half of the War of Underworld series was originally scheduled to premiere in April 2020,{{cite web|url=https://www.animenewsnetwork.com/daily-briefs/2019-12-28/sword-art-online-alicization-war-of-underworld-anime-last-season-confirmed-for-april/.154870|title=Sword Art Online: Alicization - War of Underworld's Second Half Confirmed for April|publisher=Anime News Network|date=December 28, 2019|access-date=December 28, 2019|archive-date=May 14, 2020|archive-url=https://web.archive.org/web/20200514034006/https://www.animenewsnetwork.com/daily-briefs/2019-12-28/sword-art-online-alicization-war-of-underworld-anime-last-season-confirmed-for-april/.154870|url-status=live}} but due to the effects of the COVID-19 pandemic in Japan,{{cite web|url=https://www.animenewsnetwork.com/news/2020-04-10/sword-art-online-alicization-war-of-underworld-anime-2nd-part-delayed-to-july/.158461|title=Sword Art Online: Alicization - War of Underworld Anime's 2nd Part Delayed to July|publisher=Anime News Network|date=April 10, 2020|access-date=April 10, 2020|archive-date=April 17, 2020|archive-url=https://web.archive.org/web/20200417105451/https://www.animenewsnetwork.com/news/2020-04-10/sword-art-online-alicization-war-of-underworld-anime-2nd-part-delayed-to-july/.158461|url-status=live}} it was rescheduled to air from July 11 to September 19, 2020.

Yuki Kajiura composed the soundtrack for the Sword Art Online anime, which was later released in the limited edition of the anime's fourth and seventh Blu-ray and DVD volumes.{{cite web|title=「ソードアート・オンライン」第4巻|url=http://www.swordart-online.net/package/vol4.html|website=Sword Art Online official website|publisher=Aniplex|access-date=March 24, 2018|language=ja|archive-url=https://web.archive.org/web/20180324102626/http://www.swordart-online.net/package/vol4.html|archive-date=March 24, 2018|url-status=live|df=mdy-all}}{{cite web|title=2013年4月24日発売Blu-ray＆DVD完全生産限定版第7巻 特典CD「Original Soundtrack vol.2」に関してのお詫び|url=http://www.swordart-online.net/package/index07_info.html|website=Sword Art Online official website|publisher=Aniplex|access-date=March 24, 2018|language=ja|archive-url=https://web.archive.org/web/20180324102109/http://www.swordart-online.net/package/index07_info.html|archive-date=March 24, 2018|url-status=live|df=mdy-all}} The first volume of the second season's soundtrack was bundled with the limited edition of the season's third and seventh Blu-ray and DVD volumes.{{cite web|title=「ソードアート・オンラインII」第３巻|url=http://www.swordart-online.net/package/2_vol3.html|website=Sword Art Online official website|publisher=Aniplex|access-date=March 24, 2018|language=ja|archive-url=https://web.archive.org/web/20180324102649/http://www.swordart-online.net/package/2_vol3.html|archive-date=March 24, 2018|url-status=live|df=mdy-all}}{{cite web|title=「ソードアート・オンラインII」第7巻|url=http://www.swordart-online.net/package/2_vol7.html|website=Sword Art Online official website|publisher=Aniplex|access-date=March 24, 2018|language=ja|archive-url=https://web.archive.org/web/20180324102409/http://www.swordart-online.net/package/2_vol7.html|archive-date=March 24, 2018|url-status=live|df=mdy-all}}

For the first 14 episodes of season one, the opening theme song is "Crossing Field" by LiSA,{{cite web|url=https://www.animenewsnetwork.com/interest/2012-06-07/lisa-to-sing-sword-art-online-anime-opening|title=LiSA to Sing Sword Art Online Anime's Opening|publisher=Anime News Network|date=June 7, 2011|access-date=June 19, 2012|url-status=live|archive-url=https://web.archive.org/web/20131004131627/http://www.animenewsnetwork.com/interest/2012-06-07/lisa-to-sing-sword-art-online-anime-opening|archive-date=October 4, 2013}} and the ending theme song is {{nihongo|"Yume Sekai"|ユメセカイ||Dream World}} by Haruka Tomatsu.{{cite web|url=https://www.animenewsnetwork.com/interest/2012-05-27/haruka-tomatsu-to-perform-sword-art-online-ending-theme-song|title=Haruka Tomatsu to Perform Sword Art Online Ending Theme Song|publisher=Anime News Network|date=May 27, 2011|access-date=June 19, 2012|url-status=live|archive-url=https://web.archive.org/web/20131004124502/http://www.animenewsnetwork.com/interest/2012-05-27/haruka-tomatsu-to-perform-sword-art-online-ending-theme-song|archive-date=October 4, 2013}} From episode 15 onward, the opening theme is "Innocence" by Eir Aoi, and the ending theme is "Overfly" by Luna Haruna.{{cite web|title=Sword Art Online's 2nd Season Ending Sung by Luna Haruna|url=https://www.animenewsnetwork.com/interest/2012-08-25/sword-art-online-2nd-season-ending-sung-by-luna-haruna|publisher=Anime News Network|access-date=March 24, 2018|date=August 26, 2012|archive-url=https://web.archive.org/web/20180324110502/https://www.animenewsnetwork.com/interest/2012-08-25/sword-art-online-2nd-season-ending-sung-by-luna-haruna|archive-date=March 24, 2018|url-status=live|df=mdy-all}} The main theme for Sword Art Online: Extra Edition is {{nihongo|"Niji no Oto"|虹の音|Sound of the Rainbow}} by Eir Aoi.{{cite web|title=Eir Aoi Sings Sword Art Online: Extra Edition{{'}}s Theme Song|url=https://www.animenewsnetwork.com/news/2013-11-12/eir-aoi-sings-sword-art-online/extra-edition-theme-song|publisher=Anime News Network|date=November 12, 2013|access-date=November 13, 2013|url-status=live|archive-url=https://web.archive.org/web/20140407222414/http://www.animenewsnetwork.com/news/2013-11-12/eir-aoi-sings-sword-art-online/extra-edition-theme-song|archive-date=April 7, 2014}}

For the second season, the first opening theme is "Ignite" by Eir Aoi, and the first ending theme is "Startear" by Haruna.{{cite web|url=http://www.swordart-online.net/phantom/music/|title=THEME SONG PhantomBullet ソードアート・オンライン|publisher=Aniplex|language=ja|access-date=May 22, 2014|url-status=live|archive-url=https://web.archive.org/web/20140522220404/http://www.swordart-online.net/phantom/music/|archive-date=May 22, 2014}} The second opening theme is "Courage" by Tomatsu,{{cite web|title=Sword Art Online II's The Next Chapter Trailer Posted in English|url=https://www.animenewsnetwork.com/news/2014-10-11/sword-art-online-ii-the-next-chapter-trailer-posted-in-english/.79833|publisher=Anime News Network|access-date=March 24, 2018|date=October 12, 2014|archive-url=https://web.archive.org/web/20180324112015/https://www.animenewsnetwork.com/news/2014-10-11/sword-art-online-ii-the-next-chapter-trailer-posted-in-english/.79833|archive-date=March 24, 2018|url-status=live|df=mdy-all}} and the second ending theme is "No More Time Machine" by LiSA, with the third ending theme being {{Nihongo|"Shirushi"|シルシ}}, also by LiSA.{{cite web|title=LiSA Releases Sword Art Online ED Single "SHIRUSHI"|url=https://www.animenewsnetwork.com/press-release/2014-12-10/lisa-releases-sword-art-online-ed-single-shirushi/.82030|publisher=Anime News Network|access-date=March 24, 2018|date=December 11, 2014|archive-url=https://web.archive.org/web/20180324110720/https://www.animenewsnetwork.com/press-release/2014-12-10/lisa-releases-sword-art-online-ed-single-shirushi/.82030|archive-date=March 24, 2018|url-status=live|df=mdy-all}} The song "Catch the Moment" by LiSA is used as the theme song to Sword Art Online: Ordinal Scale.{{cite web|title=LiSA Performs Theme Song For Sword Art Online Ordinal Scale Film|url=https://www.animenewsnetwork.com/news/2016-11-26/lisa-performs-theme-song-for-sword-art-online-ordinal-scale-film/.109219|publisher=Anime News Network|access-date=March 24, 2018|date=November 27, 2016|archive-url=https://web.archive.org/web/20180324110434/https://www.animenewsnetwork.com/news/2016-11-26/lisa-performs-theme-song-for-sword-art-online-ordinal-scale-film/.109219|archive-date=March 24, 2018|url-status=live|df=mdy-all}}

For the third season, the first opening theme is "Adamas" by LiSA, and the first ending theme is {{nihongo|"Iris"|アイリス}} by Eir Aoi.{{cite web|title=LiSA, Eir Aoi Perform Sword Art Online: Alicization Anime's Theme Songs|url=https://www.animenewsnetwork.com/news/2018-08-16/lisa-eir-aoi-perform-sword-art-online-alicization-anime-theme-songs/.135547|publisher=Anime News Network|date=August 16, 2018|access-date=August 16, 2018|archive-url=https://web.archive.org/web/20180816200206/https://www.animenewsnetwork.com/news/2018-08-16/lisa-eir-aoi-perform-sword-art-online-alicization-anime-theme-songs/.135547|archive-date=August 16, 2018|url-status=live|df=mdy-all}} The second opening theme is "Resister" by Asca, and the second ending theme is "Forget-me-not" by Reona, with episode 19 featuring {{nihongo|"Niji no Kanata ni"|虹の彼方に|Beyond the Rainbow}}, also sung by Reona.{{cite web|title=ASCA, ReoNa Perform New Theme Songs for Sword Art Online: Alicization Anime|url=https://www.animenewsnetwork.com/news/2018-12-08/asca-reona-perform-new-theme-songs-for-sword-art-online-alicization-anime/.140568|publisher=Anime News Network|date=December 8, 2018|access-date=December 8, 2018|archive-url=https://web.archive.org/web/20181209094436/https://www.animenewsnetwork.com/news/2018-12-08/asca-reona-perform-new-theme-songs-for-sword-art-online-alicization-anime/.140568|archive-date=December 9, 2018|url-status=live|df=mdy-all}}

For the second part of the third season, the first opening theme is "Resolution" by Tomatsu, and the first ending theme is "Unlasting" by LiSA.{{cite web|title=Sword Art Online: Alicization{{Snd}} War of Underworld Anime's New Promo Video Reveals Haruka Tomatsu's Opening Theme|url=https://www.animenewsnetwork.com/news/2019-09-21/sword-art-online-alicization-war-of-underworld-anime-new-promo-video-reveals-haruka-tomatsu-opening-theme/.151382|publisher=Anime News Network|date=September 21, 2019|access-date=September 21, 2019|archive-date=September 21, 2019|archive-url=https://web.archive.org/web/20190921112229/https://www.animenewsnetwork.com/news/2019-09-21/sword-art-online-alicization-war-of-underworld-anime-new-promo-video-reveals-haruka-tomatsu-opening-theme/.151382|url-status=live}}{{cite web|title=LiSA Performs Sword Art Online: Alicization{{Snd}} War of Underworld Anime's Ending Theme|url=https://www.animenewsnetwork.com/news/2019-10-06/lisa-performs-sword-art-online-alicization-war-of-underworld-anime-ending-theme/.151928|publisher=Anime News Network|date=October 6, 2019|access-date=October 6, 2019|archive-date=June 24, 2022|archive-url=https://web.archive.org/web/20220624224145/https://www.animenewsnetwork.com/news/2019-10-06/lisa-performs-sword-art-online-alicization-war-of-underworld-anime-ending-theme/.151928|url-status=live}} The second opening theme is "Anima" by Reona, and the second ending theme is "I will..." by Eir Aoi.{{cite web |title=ReoNA Sings Sword Art Online: Alicization{{Snd}} War of Underworld Anime's New Opening |url=https://www.animenewsnetwork.com/news/2020-02-10/reona-sings-sword-art-online-alicization-war-of-underworld-anime-new-opening/.156278 |access-date=February 13, 2020 |date=February 10, 2020 |archive-date=February 13, 2020 |archive-url=https://web.archive.org/web/20200213130527/https://www.animenewsnetwork.com/news/2020-02-10/reona-sings-sword-art-online-alicization-war-of-underworld-anime-new-opening/.156278 |url-status=live }} The song {{nihongo|"Yuke"|往け}} by LiSA was used as the theme song to Sword Art Online Progressive: Aria of a Starless Night,{{cite web |title=『劇場版 ソードアート・オンライン -プログレッシブ- 星なき夜のアリア』オフィシャルサイト |url=https://sao-p.net/music/ |publisher=Aniplex |access-date=November 5, 2021 |language=Japanese |archive-date=November 3, 2021 |archive-url=https://web.archive.org/web/20211103020521/https://sao-p.net/music/ |url-status=live }} while the song {{nihongo|"Shinzō"|心臓|Heart}} by Eir Aoi was used as the theme song to Sword Art Online Progressive: Scherzo of Deep Night.{{cite web|last=Mateo|first=Alex|url=https://www.animenewsnetwork.com/news/2022-08-02/2nd-sword-art-online-progressive-anime-film-reveals-new-trailer-theme-song-by-eir-aoi/.188286|title=2nd Sword Art Online Progressive Anime Film Reveals New Trailer, Theme Song by Eir Aoi|website=Anime News Network|date=August 2, 2022|access-date=March 3, 2023|archive-date=February 6, 2023|archive-url=https://web.archive.org/web/20230206105607/https://www.animenewsnetwork.com/news/2022-08-02/2nd-sword-art-online-progressive-anime-film-reveals-new-trailer-theme-song-by-eir-aoi/.188286|url-status=live}}

A number of character songs were included in the Blu-ray and DVD volume releases of the anime. These were collected into two compilation albums: Sword Art Online Song Collection, which included character songs released in the season one volumes, was released on August 27, 2014,{{cite web|title=「ソードアート・オンライン ソングコレクション」|url=http://www.swordart-online.net/package/song.html|website=Sword Art Online official website|publisher=Aniplex|access-date=March 24, 2018|language=ja|archive-url=https://web.archive.org/web/20180324102107/http://www.swordart-online.net/package/song.html|archive-date=March 24, 2018|url-status=live|df=mdy-all}} while Sword Art Online Song Collection II, which included character songs released in the season two volumes, was released on March 22, 2017.{{cite web|title=ソードアート・オンライン ソングコレクションII|url=http://www.swordart-online.net/package/song02.html|publisher=Aniplex|access-date=March 24, 2018|language=ja|archive-url=https://web.archive.org/web/20180324102714/http://www.swordart-online.net/package/song02.html|archive-date=March 24, 2018|url-status=live|df=mdy-all}}

In celebration of the anime's 10th anniversary, the song {{nihongo|"Sо̄kyū no Fanfare"|蒼穹のファンファーレ}} was used as the theme song for the commemorative event "Sword Art Online: Full Dive", held on November 6, 2022. The song was composed by Yuki Kajiura and performed by Reona, Asca, and Eir Aoi, who were in charge of previous opening and ending themes for the series.{{cite web|last=Dan|first=Marvic|url=https://animecorner.me/eir-aoi-asca-and-reona-perform-the-theme-song-for-sword-art-online-full-dive-event-with-fictionjunction/|title=Eir Aoi, ASCA, and ReoNa Perform the Theme Song for Sword Art Online: Full Dive Event With FictionJunction|website=Anime Corner|date=July 2, 2022|access-date=July 3, 2022|archive-date=July 2, 2022|archive-url=https://web.archive.org/web/20220702205642/https://animecorner.me/eir-aoi-asca-and-reona-perform-the-theme-song-for-sword-art-online-full-dive-event-with-fictionjunction/|url-status=live}}

An animated film titled Sword Art Online the Movie: Ordinal Scale, featuring an original story by Kawahara set after the events of Sword Art Online II, premiered in Japan and Southeast Asia on February 18, 2017, and was released in the United States on March 9, 2017.{{cite web|url=https://www.animenewsnetwork.com/news/2015-10-04/sword-art-online-anime-film-project-revealed/.93768|title=Sword Art Online Anime Film Project Revealed|publisher=Anime News Network|date=October 4, 2015|access-date=October 4, 2015|url-status=live|archive-url=https://web.archive.org/web/20151004234623/http://www.animenewsnetwork.com/news/2015-10-04/sword-art-online-anime-film-project-revealed/.93768|archive-date=October 4, 2015}}{{cite web|title=Sword Art Online Ordinal Scale Film to Open in 2017|url=https://www.animenewsnetwork.com/news/2016-03-13/sword-art-online-ordinal-scale-film-to-open-in-2017/.99726|publisher=Anime News Network|access-date=March 13, 2016|date=March 13, 2016|url-status=live|archive-url=https://web.archive.org/web/20160314101331/http://www.animenewsnetwork.com/news/2016-03-13/sword-art-online-ordinal-scale-film-to-open-in-2017/.99726|archive-date=March 14, 2016}}{{cite web|url=https://www.animenewsnetwork.com/daily-briefs/2016-10-02/sword-art-online-movie-february-18-date-confirmed-in-japan/.107144|title=Sword Art Online Movie's February 18 Date Confirmed in Japan|date=October 2, 2016|website=Anime News Network|access-date=October 2, 2016|url-status=live|archive-url=https://web.archive.org/web/20161002084054/http://www.animenewsnetwork.com/daily-briefs/2016-10-02/sword-art-online-movie-february-18-date-confirmed-in-japan/.107144|archive-date=October 2, 2016}}{{cite web |url=https://www.animenewsnetwork.com/news/2016-12-06/sword-art-online-ordinal-scale-film-opens-in-u.s-on-march-9/.109574 |title=Sword Art Online Ordinal Scale Film Opens in U.S. on March 9 |date=December 6, 2016 |publisher=Anime News Network |access-date=January 22, 2017 |url-status=live |archive-url=https://web.archive.org/web/20170222122125/http://www.animenewsnetwork.com/news/2016-12-06/sword-art-online-ordinal-scale-film-opens-in-u.s-on-march-9/.109574 |archive-date=February 22, 2017 }}

After the finale of Sword Art Online: Alicization - War of Underworld, an anime adaptation of Sword Art Online: Progressive was announced.{{cite web|url=https://www.animenewsnetwork.com/news/2020-09-19/sword-art-online-progressive-light-novels-get-anime/.164241|title=Sword Art Online: Progressive Light Novels Get Anime|date=September 19, 2020|publisher=Anime News Network|access-date=September 19, 2020|archive-date=September 20, 2020|archive-url=https://web.archive.org/web/20200920171334/https://www.animenewsnetwork.com/news/2020-09-19/sword-art-online-progressive-light-novels-get-anime/.164241|url-status=live}} It was later revealed to be a new film titled Sword Art Online Progressive: Aria of a Starless Night, which premiered on October 30, 2021.{{cite web|title=Sword Art Online Progressive Anime Film Reveals New Poster, October 30 Opening|url=https://www.animenewsnetwork.com/news/2021-07-04/sword-art-online-progressive-anime-film-reveals-new-poster-october-30-opening/.174780|website=Anime News Network|date=July 4, 2021|access-date=July 4, 2021|archive-date=July 4, 2021|archive-url=https://web.archive.org/web/20210704065247/https://www.animenewsnetwork.com/news/2021-07-04/sword-art-online-progressive-anime-film-reveals-new-poster-october-30-opening/.174780|url-status=live}} Inori Minase is joining the cast as the new character Mito.{{cite web|url=https://www.animenewsnetwork.com/news/2021-03-27/sword-art-online-progressive-anime-film-reveals-2nd-teaser-video-new-visual-more-cast/.171185|title=Sword Art Online Progressive Anime Film Reveals 2nd Teaser Video, New Visual, More Cast|date=March 27, 2021|publisher=Anime News Network|access-date=March 27, 2021|archive-date=March 27, 2021|archive-url=https://web.archive.org/web/20210327065433/https://www.animenewsnetwork.com/news/2021-03-27/sword-art-online-progressive-anime-film-reveals-2nd-teaser-video-new-visual-more-cast/.171185|url-status=live}} Ayako Kōno is directing the film, with Kento Toya designing the characters, Yuki Kajiura returning to compose the music, and A-1 Pictures returning for production.{{cite web|url=https://www.animenewsnetwork.com/news/2020-11-08/sword-art-online-progressive-anime-is-film-opening-in-2021-from-a-1-pictures/.166109|title=Sword Art Online: Progressive Anime Is Film Opening in 2021 From A-1 Pictures|date=November 8, 2020|publisher=Anime News Network|access-date=November 8, 2020|archive-date=November 8, 2020|archive-url=https://web.archive.org/web/20201108141028/https://www.animenewsnetwork.com/news/2020-11-08/sword-art-online-progressive-anime-is-film-opening-in-2021-from-a-1-pictures/.166109|url-status=live}}

After the premiere of Sword Art Online Progressive: Aria of a Starless Night, a sequel film titled Sword Art Online Progressive: Scherzo of Deep Night was announced.{{cite web|last=Hodgkins|first=Crystalyn|title=Sword Art Online Progressive Anime Gets New Film in 2022|url=https://www.animenewsnetwork.com/news/2021-11-01/sword-art-online-progressive-anime-gets-new-film-in-2022/.179083|website=Anime News Network|access-date=November 1, 2021|date=November 1, 2021|archive-date=November 1, 2021|archive-url=https://web.archive.org/web/20211101094854/https://www.animenewsnetwork.com/news/2021-11-01/sword-art-online-progressive-anime-gets-new-film-in-2022/.179083|url-status=live}} The film was scheduled for September 10, 2022, but was later delayed due to production issues caused by the COVID-19 pandemic.{{cite web|last=Loo|first=Egan|title=2nd Sword Art Online Progressive Anime Film's 1st Key Visual Announces September 10 Opening|url=https://www.animenewsnetwork.com/news/2022-06-15/2nd-sword-art-online-progressive-anime-film-1st-key-visual-announces-september-10-opening/.186684|website=Anime News Network|access-date=June 15, 2022|date=June 15, 2022|archive-date=June 15, 2022|archive-url=https://web.archive.org/web/20220615104255/https://www.animenewsnetwork.com/news/2022-06-15/2nd-sword-art-online-progressive-anime-film-1st-key-visual-announces-september-10-opening/.186684|url-status=live}}{{cite web|last=Hodgkins|first=Crystalyn|title=2nd Sword Art Online Progressive Film Delayed Due to COVID-19|url=https://www.animenewsnetwork.com/news/2022-08-22/2nd-sword-art-online-progressive-film-delayed-due-to-covid-19/.188875|website=Anime News Network|access-date=August 22, 2022|date=August 22, 2022|archive-date=August 22, 2022|archive-url=https://web.archive.org/web/20220822093321/https://www.animenewsnetwork.com/news/2022-08-22/2nd-sword-art-online-progressive-film-delayed-due-to-covid-19/.188875|url-status=live}} It is premiered on October 22, 2022.{{cite web|last=Pineda|first=Rafael Antonio|title=2nd Sword Art Online Progressive Film Opens on October 22 After COVID-19 Delay|url=https://www.animenewsnetwork.com/news/2022-09-06/2nd-sword-art-online-progressive-film-opens-on-october-22-after-covid-19-delay/.189366|website=Anime News Network|access-date=September 6, 2022|date=September 6, 2022|archive-date=September 6, 2022|archive-url=https://web.archive.org/web/20220906040419/https://www.animenewsnetwork.com/news/2022-09-06/2nd-sword-art-online-progressive-film-opens-on-october-22-after-covid-19-delay/.189366|url-status=live}}

During the commemorative event "Sword Art Online: Full Dive", a new film project was announced. The project is described as an original work with stories not based on the light novels.{{cite web|last=Cayanan|first=Joanna|title=Sword Art Online Franchise Launches Brand-New Original Film Project|url=https://www.animenewsnetwork.com/news/2022-11-06/sword-art-online-franchise-launches-brand-new-original-film-project/.191629|website=Anime News Network|access-date=November 10, 2022|date=November 6, 2022|archive-date=November 10, 2022|archive-url=https://web.archive.org/web/20221110175431/https://www.animenewsnetwork.com/news/2022-11-06/sword-art-online-franchise-launches-brand-new-original-film-project/.191629|url-status=live}}

A stage event at the Dengeki Bunko Autumn Festival 2011 revealed that Reki Kawahara's light novels would get video game adaptations.{{cite web| url=https://www.animenewsnetwork.com/interest/2011-10-02/accel-world-sword-art-online-light-novels-get-games| title=Accel World, Sword Art Online Light Novels Get Games| publisher=Anime News Network| date=October 2, 2011| access-date=October 2, 2011| url-status=live| archive-url=https://web.archive.org/web/20111003162646/http://www.animenewsnetwork.com/interest/2011-10-02/accel-world-sword-art-online-light-novels-get-games| archive-date=October 3, 2011}}

A social network game called Sword Art Online: End World was released for Japanese feature phones and smartphones on February 28, 2013{{cite web|url=http://www.crunchyroll.com/anime-news/2013/03/01/sword-art-online-end-world-launches-in-japan|title="Sword Art Online: End World" Launches in Japan|publisher=Crunchyroll|date=March 1, 2013|access-date=May 21, 2014|url-status=live|archive-url=https://web.archive.org/web/20140521085450/http://www.crunchyroll.com/anime-news/2013/03/01/sword-art-online-end-world-launches-in-japan|archive-date=May 21, 2014}}{{cite web|url=http://2p.com/51343a10c01d2888ae9701d1_1/SAO-Landed-on-GREE-Again-on-28th-February.htm|title=SAO Landed on GREE Again on 28th February|publisher=2P.com|date=March 3, 2013|access-date=May 21, 2014|archive-url=https://web.archive.org/web/20140521114644/http://2p.com/51343a10c01d2888ae9701d1_1/SAO-Landed-on-GREE-Again-on-28th-February.htm|archive-date=May 21, 2014}} with more than 1 million registered users.{{cite web|url=http://a57528.app.gree-pf.net/sp_web.php?action_event_user_1000k_index=true|script-title=ja:累計登録者数100万人突破大感謝キャンペーン|publisher=GREE, Inc.|access-date=July 2, 2014|language=ja|url-status=live|archive-url=https://web.archive.org/web/20140714194346/http://a57528.app.gree-pf.net/sp_web.php?action_event_user_1000k_index=true|archive-date=July 14, 2014|title=Unsupported region - GREE}} It was discontinued in September 2017.

The first Sword Art Online console adaptation, titled {{nihongo|Sword Art Online: Infinity Moment|ソードアート・オンライン -インフィニティ・モーメント-|Sōdo Āto Onrain: Infiniti Mōmento}}, was published by Namco Bandai Games for the PlayStation Portable.{{cite web|last=Ishaan|title=This Week In Sales: Kingdom Hearts HD Falls To Sword Art Online|url=http://www.siliconera.com/2013/03/20/this-week-in-sales-kingdom-hearts-hd-falls-to-sword-art-online/|publisher=Siliconera|date=March 20, 2013|access-date=March 24, 2013|url-status=live|archive-url=https://web.archive.org/web/20130323002114/http://www.siliconera.com/2013/03/20/this-week-in-sales-kingdom-hearts-hd-falls-to-sword-art-online/|archive-date=March 23, 2013}} The game follows an alternate storyline, in which a glitch causes Kirito and the other players to remain in Sword Art Online despite defeating Heathcliff, and players from other VMMORPGs such as Leafa and Sinon get sucked into the game themselves.{{cite web|url=http://kotaku.com/infinity-moment-takes-everything-you-know-about-sword-a-464949599|title=Infinity Moment Takes Everything You Know About Sword Art Online, and Turns It on Its Head|publisher=Kotaku|date=April 2, 2013|access-date=July 27, 2013|url-status=live|archive-url=https://web.archive.org/web/20130729003933/http://kotaku.com/infinity-moment-takes-everything-you-know-about-sword-a-464949599|archive-date=July 29, 2013}} The game was released in both regular and limited edition box sets on March 14, 2013.{{cite web|url=https://www.animenewsnetwork.com/news/2012-10-26/sword-art-online-game-to-have-3d-date-movie-dvd|title=Sword Art Online Game to Have 3D Date Movie DVD|date=October 26, 2012|publisher=Anime News Network|access-date=October 27, 2012|url-status=live|archive-url=https://web.archive.org/web/20121027200624/http://www.animenewsnetwork.com/news/2012-10-26/sword-art-online-game-to-have-3d-date-movie-dvd|archive-date=October 27, 2012}}

Sword Art Online: Hollow Fragment is a PlayStation Vita game released in Japan on April 24, 2014.{{cite web|url=http://www.siliconera.com/2013/10/08/sword-art-online-hollow-fragment-lets-players-hold-hands-heroine-tidbits/|title=Sword Art Online: Hollow Fragment{{Snd}} Hold Hands With A Heroine And Other Tidbits|publisher=Siliconera|date=October 8, 2013|access-date=April 3, 2014|url-status=live|archive-url=https://web.archive.org/web/20140320213823/http://www.siliconera.com/2013/10/08/sword-art-online-hollow-fragment-lets-players-hold-hands-heroine-tidbits/|archive-date=March 20, 2014}}{{cite web|url=http://fair.bngames.net/2014gogoshop/top.html#d01|title=Sword Art Online: Hollow Fragment|publisher=Bandai Namco Games|access-date=April 2, 2014|url-status=live|archive-url=https://web.archive.org/web/20140407064333/http://fair.bngames.net/2014gogoshop/top.html#d01|archive-date=April 7, 2014}} Sword Art Online: Hollow Fragment takes place in the same alternative storyline as Sword Art Online: Infinity Moment,The Sword Art Online History Chart bundled with the May 2014 edition of Dengeki Bunko Magazine. and it includes all content of "Floor Clearing" from that previous game{{cite web|url=http://www.siliconera.com/2014/05/01/sword-art-online-hollow-fragment-includes-hd-version-sword-art-online-infinity-moment/|title=Sword Art Online: Hollow Fragment Includes An HD Version Of Sword Art Online: Infinity Moment|publisher=Siliconera|date=May 1, 2014|access-date=May 1, 2014|url-status=live|archive-url=https://web.archive.org/web/20140502033202/http://www.siliconera.com/2014/05/01/sword-art-online-hollow-fragment-includes-hd-version-sword-art-online-infinity-moment/|archive-date=May 2, 2014}} with the addition of new unexplored "Hollow Area" of Aincrad.{{cite web|url=http://gematsu.com/2013/10/sword-art-online-hollow-fragment-announced-for-ps-vita|title=Sword Art Online: Hollow Fragment announced for PS Vita|publisher=Gematsu|date=October 6, 2013|access-date=April 2, 2014|url-status=live|archive-url=https://web.archive.org/web/20140425224228/http://gematsu.com/2013/10/sword-art-online-hollow-fragment-announced-for-ps-vita|archive-date=April 25, 2014}} The protagonist Kirito fights a mysterious player who becomes one of the key characters in the game. The game sold 145,029 physical retail copies within the first week of release in Japan, topping the Japanese software sales charts for that particular week.{{cite web|title=Media Create Sales: 4/21/14{{Snd}} 4/27/14|url=http://gematsu.com/2014/04/media-create-sales-42114-42714|publisher=Gematsu|date=April 30, 2014|access-date=April 30, 2014|url-status=live|archive-url=https://web.archive.org/web/20140502000609/http://gematsu.com/2014/04/media-create-sales-42114-42714|archive-date=May 2, 2014}} The game had also been released in Taiwan by Namco Bandai Games Taiwan with Chinese and English subtitles.{{cite web|url=http://gematsu.com/2014/03/sword-art-online-hollow-fragment-will-english-traditional-chinese-subtitles-taiwan|title=Sword Art Online: Hollow Fragment will have English and Traditional Chinese subtitles in Taiwan|publisher=Gematsu|date=March 22, 2014|access-date=April 2, 2014|url-status=live|archive-url=https://web.archive.org/web/20140328013419/http://gematsu.com/2014/03/sword-art-online-hollow-fragment-will-english-traditional-chinese-subtitles-taiwan|archive-date=March 28, 2014}} A digital-only North American, European and Australian release was released in August 2014.

A freemium game for Android and iOS titled Sword Art Online: Code Register launched on November 28, 2014, and over 3,000,000 users have downloaded the game.{{cite web|url=http://dengekionline.com/elem/000/000/986/986723/|script-title=ja:『SAO コード・レジスタ』300万DL突破キャンペーン開始！ 15日より無料スカウトに★5キリト追加|publisher=ASCII Media Works|date=January 8, 2015|access-date=January 18, 2015|language=ja|url-status=live|archive-url=https://web.archive.org/web/20150115204442/http://dengekionline.com/elem/000/000/986/986723/|archive-date=January 15, 2015}} Another game called Sword Art Online: Progress Link designed for the Mobage browser game platform on smartphones was released on February 10, 2015.{{cite web|url=http://dengekionline.com/elem/000/001/004/1004527/|script-title=ja:『ソードアート・オンライン プログレス・リンク』がサービス開始!|publisher=ASCII Media Works|date=February 10, 2015|access-date=February 11, 2015|language=ja|url-status=live|archive-url=https://web.archive.org/web/20150212072346/http://dengekionline.com/elem/000/001/004/1004527/|archive-date=February 12, 2015}} The game was terminated on July 29, 2016.

A video game developed by Artdink{{cite web|url=http://gematsu.com/2015/01/sword-art-online-lost-song-developed-artdink|title=Sword Art Online: Lost Song is developed by Artdink|publisher=Gematsu|date=January 13, 2015|access-date=January 13, 2015|url-status=live|archive-url=https://web.archive.org/web/20150113224528/http://gematsu.com/2015/01/sword-art-online-lost-song-developed-artdink|archive-date=January 13, 2015}} and titled Sword Art Online: Lost Song was released in Japan on March 26, 2015{{cite web|url=http://gematsu.com/2014/10/sword-art-online-lost-song-dated-japan|title=Sword Art Online: Lost Song dated in Japan|publisher=Gematsu|date=October 28, 2014|access-date=October 28, 2014|url-status=live|archive-url=https://web.archive.org/web/20141028123939/http://gematsu.com/2014/10/sword-art-online-lost-song-dated-japan|archive-date=October 28, 2014}} on the PlayStation 3 and Vita platforms,{{cite web|url=http://gematsu.com/2014/10/sword-art-online-lost-song-announced-ps3-ps-vita|title=Sword Art Online: Lost Song announced for PS3, PS Vita|publisher=Gematsu|date=October 4, 2014|access-date=October 5, 2014|url-status=live|archive-url=https://web.archive.org/web/20141006091310/http://gematsu.com/2014/10/sword-art-online-lost-song-announced-ps3-ps-vita|archive-date=October 6, 2014}}{{cite web|url=https://www.animenewsnetwork.com/news/2014-09-19/sword-art-online-has-3rd-game-in-development/.78936|title=Sword Art Online Has 3rd Game in Development|publisher=Anime News Network|date=September 19, 2014|access-date=September 19, 2014|url-status=live|archive-url=https://web.archive.org/web/20140920033740/http://www.animenewsnetwork.com/news/2014-09-19/sword-art-online-has-3rd-game-in-development/.78936|archive-date=September 20, 2014}} with an English version being released in Asia.{{Cite web|url=http://gematsu.com/2014/11/sword-art-online-lost-song-screenshots-show-base-city-multiplayer|title=Sword Art Online: Lost Song screenshots show base city, multiplayer, more|date=November 20, 2014|website=Gematsu|access-date=November 21, 2014|url-status=live|archive-url=https://web.archive.org/web/20141123053956/http://gematsu.com/2014/11/sword-art-online-lost-song-screenshots-show-base-city-multiplayer|archive-date=November 23, 2014}} The game's producer revealed in October 2014 that the game is an open-world action RPG featuring an original storyline, set within Alfheim Online, where characters are able to fly.{{cite web|url=http://dengekionline.com/elem/000/000/936/936166/|title=ゲーム最新作『ソードアート・オンライン －ロスト・ソング－』情報解禁！ ALOを舞台にしたアクションRPG|publisher=ASCII Media Works|date=October 5, 2014|access-date=October 5, 2014|url-status=live|archive-url=https://web.archive.org/web/20141005123613/http://dengekionline.com/elem/000/000/936/936166/|archive-date=October 5, 2014}} The game sold 139,298 physical retail copies on the PlayStation Vita in addition to another 55,090 units on the PlayStation 3 within its first week of release in Japan, ranking second and sixth place respectively within the Japanese software sales charts for that particular week, narrowly behind Bloodborne taking the top spot.{{cite web|url=http://gematsu.com/2015/04/media-create-sales-32315-32915|title=Media Create Sales: 3/23/15{{Snd}} 3/29/15|date=April 1, 2015|website=Gematsu|access-date=April 1, 2015|url-status=live|archive-url=https://web.archive.org/web/20150402092342/http://gematsu.com/2015/04/media-create-sales-32315-32915|archive-date=April 2, 2015}}

A game titled Sword Art Online: Hollow Realization was released in Japan for the PS4, Vita, and Windows on October 27, 2016{{cite web|author=てけおん|url=http://dengekionline.com/elem/000/001/262/1262949/|title=『SAO ホロウ・リアリゼーション』の発売日が10月27日に決定！|publisher=Dengeki Online|date=April 25, 2016|access-date=April 25, 2016|url-status=live|archive-url=https://web.archive.org/web/20160427151842/http://dengekionline.com/elem/000/001/262/1262949/|archive-date=April 27, 2016}} and worldwide on November 8, 2016, for the PS4 and Vita.{{cite web|url=http://gematsu.com/2015/10/sword-art-online-hollow-realization-announced-ps4-ps-vita|title=Sword Art Online: Hollow Realization announced for PS4, PS Vita|date=October 4, 2015|website=Gematsu|access-date=October 4, 2015|url-status=live|archive-url=https://web.archive.org/web/20151004160346/http://gematsu.com/2015/10/sword-art-online-hollow-realization-announced-ps4-ps-vita|archive-date=October 4, 2015}}

Kirito, Asuna, Leafa, Yuuki and SAO Alternative: Gun Gale Online protagonist LLENN appear in Dengeki Bunko: Fighting Climax, a fighting game by Sega featuring various characters from works published under the Dengeki Bunko imprint.{{cite web|url=https://www.animenewsnetwork.com/news/2013-09-21/dengeki-bunko-fighting-climax-game-pits-sao-shana-cast-against-each-other|title=Dengeki Bunko: Fighting Climax Game Pits SAO, Shana Casts Against Each Other|publisher=Anime News Network|date=September 21, 2013|access-date=September 28, 2013|url-status=live|archive-url=https://web.archive.org/web/20130930095146/http://www.animenewsnetwork.com/news/2013-09-21/dengeki-bunko-fighting-climax-game-pits-sao-shana-cast-against-each-other|archive-date=September 30, 2013}}{{cite web|url=http://www.crunchyroll.com/anime-news/2014/02/13/video-kirito-and-tomoka-featured-in-latest-dengeki-bunko-fighting-climax-trailer|title='Kirito and Tomoka Featured in Latest "Dengeki Bunko: Fighting Climax" Trailer|publisher=Crunchyroll|date=February 13, 2014|access-date=March 1, 2014|url-status=live|archive-url=https://web.archive.org/web/20140301052929/http://www.crunchyroll.com/anime-news/2014/02/13/video-kirito-and-tomoka-featured-in-latest-dengeki-bunko-fighting-climax-trailer|archive-date=March 1, 2014}}{{cite web|url=http://www.siliconera.com/2015/12/09/yuuki-and-llenn-from-sao-join-dengeki-bunko-fighting-climax-ignition/|title=Yuuki And LLENN From SAO Join Dengeki Bunko: Fighting Climax Ignition|work=Siliconera|date=December 9, 2015|access-date=December 9, 2015|url-status=live|archive-url=https://web.archive.org/web/20151211064133/http://www.siliconera.com/2015/12/09/yuuki-and-llenn-from-sao-join-dengeki-bunko-fighting-climax-ignition/|archive-date=December 11, 2015}} A browser game titled Sword Art Quest and its sequel smartphone game, Sword Art Quest II{{cite web|url=https://www.animenewsnetwork.com/interest/2014-06-12/sword-art-online-ii-bus-tour-hits-7-countries-worldwide/.75495|title=Sword Art Online II Bus Tour Hits 7 Countries Worldwide|publisher=Anime News Network|date=June 12, 2014|access-date=June 20, 2014|url-status=live|archive-url=https://web.archive.org/web/20140616051105/http://www.animenewsnetwork.com/interest/2014-06-12/sword-art-online-ii-bus-tour-hits-7-countries-worldwide/.75495|archive-date=June 16, 2014}} provide challenges to users to upgrade their characters to receive rewards.{{cite web |url=http://animeanime.jp/article/2012/09/01/11300.html |script-title=ja:「ソードアート･クエスト」とは？ 「ソードアート･オンライン」第9話先行カットも {{pipe}} アニメ！アニメ！ |publisher=Animeanime.jp |date=September 1, 2012 |access-date=June 20, 2014 |language=ja |url-status=live |archive-url=https://web.archive.org/web/20140715070816/http://animeanime.jp/article/2012/09/01/11300.html |archive-date=July 15, 2014 }} There is also a paid Android game titled SAO -Log Out- that users can download and play with characters from the series and obtain wallpapers from it.{{cite web|url=http://www.moedroid.jp/37941.html|title=人気作品「ソードアート・オンライン」のパズルゲーム『SAO-LOG OUT- （電モバ）』☆可愛いミニキャラ達のパズルをクリアして壁紙をゲットするのです！|publisher=Moedroid|date=July 17, 2012|access-date=June 20, 2014|language=ja|archive-url=https://web.archive.org/web/20140714231940/http://www.moedroid.jp/37941.html|archive-date=July 14, 2014}}

A virtual reality massive multiplayer online game was in development by Kadokawa and IBM Japan,{{cite web|url=http://www.vrmmo-project.jp/|title=ソードアート・オンライン ザ・ビギニング Sponsored by IBM|trans-title=Sword Art Online: The Beginning Sponsored by IBM|publisher=Kadokawa Corporation|access-date=March 2, 2016|url-status=live|archive-url=https://web.archive.org/web/20160302191708/http://www.vrmmo-project.jp/|archive-date=March 2, 2016}} but was only a demo and will not be released as a full game.

An action role-playing game titled Accel World vs. Sword Art Online was announced in October 2016. The game is a crossover with Accel World, published by Bandai Namco Entertainment for PlayStation 4, PlayStation Vita,{{cite web|url=https://www.animenewsnetwork.com/news/2016-10-02/accel-world-vs-sword-art-online-millennium-twilight-ps4-ps-vita-game-revealed/.107148|title=Accel World VS Sword Art Online: Millennium Twilight PS4, PS Vita Game Revealed|publisher=Anime News Network|access-date=October 2, 2016|url-status=live|archive-url=https://web.archive.org/web/20161003165747/http://www.animenewsnetwork.com/news/2016-10-02/accel-world-vs-sword-art-online-millennium-twilight-ps4-ps-vita-game-revealed/.107148|archive-date=October 3, 2016}} and Windows via Steam,{{cite web|url=http://store.steampowered.com/app/607880/Accel_World_VS_Sword_Art_Online_Deluxe_Edition/|title=Accel World VS. Sword Art Online Deluxe Edition|publisher=Valve|access-date=October 8, 2017|archive-date=November 6, 2021|archive-url=https://web.archive.org/web/20211106211821/https://store.steampowered.com/app/607880/Accel_World_VS_Sword_Art_Online_Deluxe_Edition/|url-status=live}} and was released to western audiences on July 7, 2017.{{cite web|last1=Luster|first1=Joseph|url=http://www.crunchyroll.com/anime-news/2017/07/09-1/accel-world-vs-sword-art-online-arrives-with-launch-trailer|title="Accel World VS Sword Art Online" Arrives with Launch Trailer|publisher=Crunchyroll|date=July 9, 2017|access-date=August 18, 2017|url-status=live|archive-url=https://web.archive.org/web/20170819020019/http://www.crunchyroll.com/anime-news/2017/07/09-1/accel-world-vs-sword-art-online-arrives-with-launch-trailer|archive-date=August 19, 2017}}

{{Nihongo|The Black Swordsman|黒衣剣士||Chinese: 黑衣剑士}} is a Chinese 3D role-playing game where the player can control 3D characters and experience Sword Art Online, Alfheim Online, and Gun Gale Online. It is developed by Yun Chang Game under Bandai Namco's supervision.{{cite web|url=http://news.17173.com/content/2016-06-08/20160608100202181.shtml|title=就在明天! 刀剑神域《黑衣剑士》iOS版大陆上架|publisher=17173.com|date=June 8, 2016|access-date=March 19, 2019|language=zh|archive-date=March 3, 2019|archive-url=https://web.archive.org/web/20190303154033/http://news.17173.com/content/2016-06-08/20160608100202181.shtml|url-status=live}} The game is being distributed and is operating under Bandai Namco Shanghai, Bandai Namco Entertainment and Qihoo 360 on Chinese platforms.{{cite web|url=http://www.4gamer.net/games/999/G999904/20160526114/|title=「ソードアート・オンライン」の公式Androidアプリ「黒衣剣士」が中国市場向けに配信|publisher=4Gamer|date=May 26, 2016|access-date=March 19, 2019|language=ja|archive-date=March 14, 2021|archive-url=https://web.archive.org/web/20210314002320/https://www.4gamer.net/games/999/G999904/20160526114/|url-status=live}}{{cite web|url=https://bandainamcoent.co.jp/corporate/press/release/62/pdf/20160526-1.pdf|title=『ソードアート・オンライン』の公式スマートフォン向けゲームアプリケーション「黒衣剣士」5月26日に中国で配信開始|publisher=Bandai Namco Entertainment|date=May 26, 2016|access-date=March 19, 2019|language=ja|archive-date=October 20, 2020|archive-url=https://web.archive.org/web/20201020195353/https://www.bandainamcoent.co.jp/corporate/press/release/62/pdf/20160526-1.pdf|url-status=live}} The game was launched on Android on May 26, 2016, and on iOS on June 9, 2016, after a brief period of closed beta, though it is officially still in an "open beta" phase.{{cite web|url=http://www.djsyol.com/news_info_74.html|title=5月26日激萌公测！超人气动漫《刀剑神域》正版手游来袭！|publisher=Bandai Namco Entertainment|access-date=March 19, 2019|language=zh|archive-date=November 12, 2019|archive-url=https://web.archive.org/web/20191112145554/http://www.djsyol.com/news_info_74.html}}

Bandai Namco released Sword Art Online: Memory Defrag RPG for Android and iOS{{cite web|last1=Romano|first1=Sal|url=http://gematsu.com/2016/06/sword-art-online-memory-defrag-announced-smartphones|title=Sword Art Online: Memory Defrag announced for smartphones|publisher=Gematsu|date=June 27, 2016|access-date=June 27, 2016|url-status=live|archive-url=https://web.archive.org/web/20160627224410/http://gematsu.com/2016/06/sword-art-online-memory-defrag-announced-smartphones|archive-date=June 27, 2016}} in August 2016. It was released outside of Japan on January 24, 2017.{{cite web|url=https://www.ign.com/games/sword-art-online-memory-defrag/|title=Sword Art Online: Memory Defrag|publisher=IGN|access-date=September 24, 2017|url-status=live|archive-url=https://web.archive.org/web/20170925083852/http://www.ign.com/games/sword-art-online-memory-defrag/|archive-date=September 25, 2017}} Featuring content from the anime series, Ordinal Scale, and some original shorts written for event characters, players are allowed to play solo and progress through the story, or join up with others online to farm special items, equipment, and materials.{{cite web |title= ソードアート・オンライン メモリー・デフラグ {{!}} バンダイナムコエンターテインメント公式サイト |url= http://sao-md.bn-ent.net |publisher= Bandai Namco Games |access-date= March 27, 2018 |language= ja |archive-url= https://web.archive.org/web/20180327212249/http://sao-md.bn-ent.net/ |archive-date= March 27, 2018 |url-status= live |df= mdy-all }} Common events include ranked challenges against other players, floor clearing, character introductions and seasonal events. Players have the choice of spending real money to speed-up their progress.{{cite video game |title=Sword Art Online: Memory Defrag |developer=Wright Flyer Studios |publisher=Bandai Namco Games|date=January 24, 2017 |language= ja}} However, the game was discontinued on August 30, 2021.{{Cite web |date=2021-07-01 |title=Sword Art Online: Memory Defrag to End Service in August |url=https://www.siliconera.com/sword-art-online-memory-defrag-to-end-service-in-august/ |access-date=2022-10-12 |website=Siliconera |language=en-US |archive-date=October 12, 2022 |archive-url=https://web.archive.org/web/20221012161951/https://www.siliconera.com/sword-art-online-memory-defrag-to-end-service-in-august/ |url-status=live }} While Memory Defrag is delisted from the app stores, the game is still available to play via offline version of the app if the person downloaded the game before the termination date.

Bandai Namco released the Sword Art Online: Integral Factor free-to-play MMORPG for Android and iOS in December 2017, created in conjunction with prolific mobile MMO developer {{ill|Asobimo|ja|アソビモ}}. The English version was released in March 2018. It adapts the Aincrad arc starting from Floor 1 and gradually exploring every floor one-by-one. It allows playing as a player-created avatar.

A game based on Gun Gale Online, Sword Art Online: Fatal Bullet, was released for the PlayStation 4, Xbox One and Windows on February 23, 2018.{{cite web|last1=Romano|first1=Sal|url=http://gematsu.com/2017/08/sword-art-online-fatal-bullet-announced-ps4-xbox-one-pc|title=Sword Art Online: Fatal Bullet announced for PS4, Xbox One, and PC|publisher=Gematsu|date=August 18, 2017|access-date=August 18, 2017|url-status=live|archive-url=https://web.archive.org/web/20170818215102/http://gematsu.com/2017/08/sword-art-online-fatal-bullet-announced-ps4-xbox-one-pc|archive-date=August 18, 2017}}

Bandai Namco Entertainment released the Sword Art Online VR: Lovely Honey Days mobile game for iOS and Android devices in Japan in October 2018. The game's first episode is free-to-play, while the second episode and so on can be purchased as additional content.{{cite web |url=https://www.crunchyroll.com/anime-news/2018/10/05/sword-art-online-vr-lovely-honey-days-launches-in-japan |title=Sword Art Online VR: Lovely Honey Days launches in Japan |publisher=Crunchyroll |date=May 21, 2018 |access-date=October 5, 2018 |archive-url=https://web.archive.org/web/20181006045803/https://www.crunchyroll.com/anime-news/2018/10/05/sword-art-online-vr-lovely-honey-days-launches-in-japan |archive-date=October 6, 2018 |url-status=live |df=mdy-all }}

Bandai Namco released Sword Art Online Arcade: Deep Explorer in Japanese arcades on March 19, 2019. It is an exploration action RPG that supports up to three players in online co-op and it is the first arcade game in the Sword Art Online series.{{cite web |url=https://gematsu.com/2018/10/sword-art-online-arcade-deep-explorer-announced-for-arcades#HGhYrE5oKJtaPf3a.99 |title=Sword Art Online Arcade: Deep Explorer announced for arcades |publisher=Gematsu |date=October 7, 2018 |access-date=October 9, 2018 |archive-url=https://web.archive.org/web/20181009172019/https://gematsu.com/2018/10/sword-art-online-arcade-deep-explorer-announced-for-arcades#HGhYrE5oKJtaPf3a.99 |archive-date=October 9, 2018 |url-status=live |df=mdy-all }}{{cite web |url=https://www.animenewsnetwork.com/news/2018-10-07/sword-art-online-arcade-deep-explorer-arcade-game-announced-for-spring-2019/.137836 |title=Sword Art Online Arcade: Deep Explorer Arcade Game Announced for Spring 2019 |publisher=Anime News Network |date=October 7, 2018 |access-date=October 9, 2018 |archive-url=https://web.archive.org/web/20181009132213/https://www.animenewsnetwork.com/news/2018-10-07/sword-art-online-arcade-deep-explorer-arcade-game-announced-for-spring-2019/.137836 |archive-date=October 9, 2018 |url-status=live |df=mdy-all }}

A video game based in the Underworld of Project Alicization, Sword Art Online: Alicization Lycoris, was announced by Bandai Namco for release on the PS4, Xbox One, and Windows.{{cite web|url=https://www.animenewsnetwork.com/news/2019-03-30/sword-art-online-alicization-lycoris-announced-for-ps4-xbox-one-pc/.145215|title=Sword Art Online: Alicization Lycoris Announced for PS4, Xbox One, PC|publisher=Anime News Network|date=March 30, 2019|access-date=March 30, 2019|archive-date=July 2, 2022|archive-url=https://web.archive.org/web/20220702192319/https://www.animenewsnetwork.com/news/2019-03-30/sword-art-online-alicization-lycoris-announced-for-ps4-xbox-one-pc/.145215|url-status=live}} The game is also the first game in the franchise to faithfully follow the canon storyline in the initial stage, adapting from Alicization Beginning, volume 9, to Alicization Uniting, volume 14. Following that, the game features a different arc focusing on Medina Orthinanos. Originally, the game was going to be released in May 2020, but it was delayed to July 10, 2020, due to the COVID-19 pandemic.{{Cite web|last=Luster|first=Joseph|title=Sword Art Online: Alicization Lycoris Game Delayed to July 10|url=https://www.crunchyroll.com/anime-news/2020/04/24-1/sword-art-online-alicization-lycoris-game-delayed-to-july-10|access-date=2020-11-23|website=Crunchyroll|language=en-us|archive-date=June 18, 2020|archive-url=https://web.archive.org/web/20200618004330/https://www.crunchyroll.com/anime-news/2020/04/24-1/sword-art-online-alicization-lycoris-game-delayed-to-july-10|url-status=live}}

A China-exclusive mobile MMO, Sword Art Online: Black Swordsman Ace, was released in 2021.

In 2022, the mobile game Sword Art Online: Variant Showdown was released to coincide with the anime's 10th anniversary. In the future it will feature a battle royale mode, a first for an SAO game.{{cite web|last=Romano|first=Sal|url=https://www.gematsu.com/2022/03/sword-art-online-variant-showdown-announced-for-ios-android|title=Sword Art Online Variant Showdown announced for iOS, Android|website=Gematsu|date=March 27, 2022|access-date=March 9, 2023|archive-date=September 21, 2022|archive-url=https://web.archive.org/web/20220921191919/https://www.gematsu.com/2022/03/sword-art-online-variant-showdown-announced-for-ios-android|url-status=live}}{{cite web|last=Lopez|first=Azario|url=https://noisypixel.net/sword-art-online-variant-pre-download-ios-android/|title=Sword Art Online Variant Showdown Can Be Pre-Downloaded Now; Post Launch Modes Detailed|website=Noisy Pixel|date=November 21, 2022|access-date=March 9, 2023|archive-date=March 9, 2023|archive-url=https://web.archive.org/web/20230309221347/https://noisypixel.net/sword-art-online-variant-pre-download-ios-android/|url-status=live}}

Bandai Namco announced the video game Sword Art Online: Last Recollection in March 2023.{{cite web|last=Romano|first=Sal|url=https://www.gematsu.com/2023/03/sword-art-online-last-recollection-launches-october-5-in-japan-october-6-worldwide|title=Sword Art Online: Last Recollection launches October 5 in Japan, October 6 worldwide|website=Gematsu|date=March 8, 2023|access-date=March 9, 2023|archive-date=March 15, 2023|archive-url=https://web.archive.org/web/20230315144338/https://www.gematsu.com/2023/03/sword-art-online-last-recollection-launches-october-5-in-japan-october-6-worldwide|url-status=live}} It was released worldwide on October 6, 2023.{{Citation |title=Sword Art Online Last Recollection - Official Launch Trailer - IGN |date=2023-10-06 |url=https://www.ign.com/videos/sword-art-online-last-recollection-official-launch-trailer |access-date=2023-10-15 |language=en |archive-date=October 14, 2023 |archive-url=https://web.archive.org/web/20231014163614/https://www.ign.com/videos/sword-art-online-last-recollection-official-launch-trailer |url-status=live }} Reona performed the game's theme song, "VITA".{{cite web|last=Luster|first=Joseph|url=https://www.crunchyroll.com/anime-news/2023/03/08/sword-art-online-last-recollection-game-reveals-launch-date-reona-theme-song-video|title=Sword Art Online: Last Recollection Game Reveals Launch Date, ReoNa Theme Song Video|website=Crunchyroll|date=March 8, 2023|access-date=March 9, 2023|archive-date=March 9, 2023|archive-url=https://web.archive.org/web/20230309221347/https://www.crunchyroll.com/anime-news/2023/03/08/sword-art-online-last-recollection-game-reveals-launch-date-reona-theme-song-video|url-status=live}}

In February 2024, a video game Sword Art Online: Fractured Daydream was announced.{{Cite web|url=https://www.gematsu.com/2024/02/sword-art-online-fractured-daydream-announced-for-ps5-xbox-series-switch-and-pc|title=Sword Art Online: Fractured Daydream announced for PS5, Xbox Series, Switch, and PC|last=Romano|first=Sal|date=February 21, 2024|access-date=February 26, 2024|archive-date=February 25, 2024|archive-url=https://web.archive.org/web/20240225000407/https://www.gematsu.com/2024/02/sword-art-online-fractured-daydream-announced-for-ps5-xbox-series-switch-and-pc|url-status=live}} It was released on October 3, 2024.

On August 2, 2016, Skydance Television announced that they had acquired the global rights to produce a live-action television adaptation of the series.{{cite web |url=https://www.hollywoodreporter.com/live-feed/japanese-novel-anime-franchise-sword-916389 |title=Japanese Novel and Anime Franchise Sword Art Online Being Adapted as Live-Action TV Series |last1=Goldberg |first1=Lesley |date=August 2, 2016 |website=The Hollywood Reporter |access-date=August 2, 2016 |url-status=live |archive-url=https://web.archive.org/web/20160802163518/http://www.hollywoodreporter.com/live-feed/japanese-novel-anime-franchise-sword-916389 |archive-date=August 2, 2016 }} Laeta Kalogridis has been attached to write a script for the pilot, and will also serve as executive producer for the series alongside Skydance CEO David Ellison, Dana Goldberg, and Marcy Ross. Skydance has stated their intent to "fast-track" the launch of the series, along with plans to follow the TV series with the release of a Sword Art Online virtual reality experience.{{cite web |url=https://deadline.com/2016/08/skydance-media-global-live-action-rights-sword-art-online-1201796973/ |title=Skydance Media Acquires Global Live-Action Rights To 'Sword Art Online' |last1=Evans |first1=Greg |date=August 2, 2016 |website=Deadline Hollywood |access-date=August 2, 2016 |url-status=live |archive-url=https://web.archive.org/web/20160803202902/http://deadline.com/2016/08/skydance-media-global-live-action-rights-sword-art-online-1201796973/ |archive-date=August 3, 2016 }}{{cite web|url=https://comicbook.com/anime/2017/09/28/sword-art-online-live-action-series-writers/|title='Sword Art Online' Live-Action Series Adds 'Lara Croft' Writers|publisher=ComicBook|date=September 28, 2017|access-date=September 28, 2017|url-status=live|archive-url=https://web.archive.org/web/20170929045117/http://comicbook.com/anime/2017/09/28/sword-art-online-live-action-series-writers/|archive-date=September 29, 2017}} In February 2018, it was reported that the live-action series had been sold to Netflix.{{Cite news|url=https://www.animenewsnetwork.com/news/2018-02-13/live-action-sword-art-online-producer-series-sold-to-netflix-will-have-asian-lead-actors/.127753|title=Live-Action Sword Art Online Producer: Series Sold to Netflix, Will Have Asian Lead Actors|date=February 13, 2018|work=Anime News Network|access-date=February 14, 2018|archive-url=https://web.archive.org/web/20180214054751/https://www.animenewsnetwork.com/news/2018-02-13/live-action-sword-art-online-producer-series-sold-to-netflix-will-have-asian-lead-actors/.127753|archive-date=February 14, 2018|url-status=live|language=en}}

According to Oricon, Sword Art Online was the top selling light novel series of 2012, with eight volumes figuring among the top selling light novels.{{cite web|url=https://www.animenewsnetwork.com/news/2012-12-02/top-selling-light-novels-in-japan-by-series/2012|title=Top-Selling Light Novels in Japan by Series: 2012|publisher=Anime News Network|date=December 3, 2012|access-date=December 3, 2012|url-status=live|archive-url=https://web.archive.org/web/20121204063833/http://www.animenewsnetwork.com/news/2012-12-02/top-selling-light-novels-in-japan-by-series/2012|archive-date=December 4, 2012}}{{cite web|url=https://www.animenewsnetwork.com/news/2012-12-02/top-selling-light-novels-in-japan-by-volume/2012|title=Top-Selling Light Novels in Japan by Volume: 2012|publisher=Anime News Network|date=December 3, 2012|access-date=December 3, 2012|url-status=live|archive-url=https://web.archive.org/web/20121204063534/http://www.animenewsnetwork.com/news/2012-12-02/top-selling-light-novels-in-japan-by-volume/2012|archive-date=December 4, 2012}} It was ranked first in the 2012 and 2013 Kono Light Novel ga Sugoi! rankings, as well as top five placement in 2011, 2014, 2015, 2016, 2017, 2018 and top 10 in 2019.{{cite book|title=Kono Light Novel ga Sugoi! 2011|publisher=Takarajimasha|isbn=978-4-7966-7963-3|date=November 19, 2010|language=ja}}{{cite book|title=Kono Light Novel ga Sugoi! 2012|publisher=Takarajimasha|isbn=978-4-7966-8716-4|date=November 19, 2011|language=ja}}{{cite book|title=Kono Light Novel ga Sugoi! 2013|publisher=Takarajimasha|isbn=978-4-8002-0357-1|date=November 19, 2012|language=ja}}{{cite book|title=Kono Light Novel ga Sugoi! 2014|publisher=Takarajimasha|isbn=978-4-8002-1954-1|date=November 20, 2013|language=ja}}{{cite book|title=Kono Light Novel ga Sugoi! 2015|publisher=Takarajimasha|isbn=978-4-8002-3373-8|date=November 21, 2014|language=ja}} It was also the second best selling light novel series in the first half of 2016 in Japan, selling 489,374 copies.{{cite web|url=https://www.animenewsnetwork.com/news/2016-05-29/top-selling-light-novels-in-japan-by-series-2016/.102641|title=Top-Selling Light Novels in Japan by Series: 2016 (First Half)|last1=Loo|first1=Egan|date=May 29, 2016|website=Anime News Network|archive-url=https://web.archive.org/web/20190710060907/https://www.animenewsnetwork.com/news/2016-05-29/top-selling-light-novels-in-japan-by-series-2016/.102641|archive-date=July 10, 2019|url-status=live|access-date=July 10, 2019}} Sword Art Online: Progressive sold 321,535 copies in the same time period. By 2017, the series has an estimated 20 million copies in print worldwide.{{cite web |url=https://www.animenewsnetwork.com/daily-briefs/2017-04-04/sword-art-online-light-novels-have-20-million-copies-in-print-worldwide/.114365 |title=Sword Art Online Light Novels Have 20 Million Copies in Print Worldwide |last1=Ressler |first1=Karen |date=April 4, 2017 |website=Anime News Network |access-date=March 26, 2018 |archive-url=https://web.archive.org/web/20180327212035/https://www.animenewsnetwork.com/daily-briefs/2017-04-04/sword-art-online-light-novels-have-20-million-copies-in-print-worldwide/.114365 |archive-date=March 27, 2018 |url-status=live |df=mdy-all }} By 2021, the series has 26 million copies in print.{{cite web|title=シリーズ累計発行部数|url=https://ln-news.com/page/circulation|website=LN News|access-date=April 15, 2021|language=ja|archive-date=March 18, 2022|archive-url=https://web.archive.org/web/20220318193508/https://ln-news.com/page/circulation|url-status=live}} The number of sales have reached 30 million in 2022.{{cite web|url=https://animesweet.com/anime/the-record-breaking-sword-art-online-novel-30-million-copies-distributed/|title=The record-breaking Sword Art Online novel: 30 million copies distributed|website=Anime Sweet|date=June 28, 2022|access-date=July 3, 2022|archive-date=July 3, 2022|archive-url=https://web.archive.org/web/20220703130949/https://animesweet.com/anime/the-record-breaking-sword-art-online-novel-30-million-copies-distributed/|url-status=live}}

Richard Eisenbeis of Kotaku hailed Sword Art Online as the smartest series in recent years, praising its deep insight on the psychological aspects of virtual reality on the human psyche, its sociological views on creating a realistic economy and society in a massively multiplayer online game setting, and the writing staff's ability to juggle a wide variety of genres within the series.{{cite web|url=https://kotaku.com/sword-art-online-is-the-smartest-anime-i-ve-seen-in-yea-5947171|title=Sword Art Online Is the Smartest Anime I've Seen in Years (And It's Only Half-Done)|last1=Eisenbeis|first1=Richard|date=September 28, 2012|website=Kotaku|publisher=Univision Communications|archive-url=https://web.archive.org/web/20190710060715/https://kotaku.com/sword-art-online-is-the-smartest-anime-i-ve-seen-in-yea-5947171|archive-date=July 10, 2019|url-status=live|access-date=July 10, 2019}} Eisenbeis particularly noted how the romance between Kirito and Asuna brings "definition to exactly what love is like in a virtual world." However, at the time of this preliminary review, he had only watched the first 12 episodes of the series. He has since gone on to review the second half of the series, lauding its excellent use of plot twists and praising its well-written and believable villain. However, he felt that some of the initial positive aspects of the series were lost in the second half, such as the focus on psychological repercussions and social interactions that could be realistically seen in an online game. Criticism was also levied towards the aspect of turning Asuna into a damsel in distress, stating that a female lead as strong as her was "reduced to nothing but the quest item the male lead is hunting for." Eisenbeis closed his review of the series by stating in regards to the two halves, "Both, however, are enjoyable for what they are."{{cite web|url=https://kotaku.com/sword-art-onlines-second-half-isnt-quite-as-brilliant-5971194|title=Sword Art Online{{'}}s Second Half Isn't Quite as Brilliant as Its First|last1=Eisenbeis|first1=Richard|date=December 26, 2012|website=Kotaku|publisher=Univision Communications|archive-url=https://web.archive.org/web/20190710060539/https://kotaku.com/sword-art-onlines-second-half-isnt-quite-as-brilliant-5971194|archive-date=July 10, 2019|url-status=live|access-date=July 10, 2019}}

Rebecca Silverman of Anime News Network criticized the series as having pacing problems, logical gaps and "sloppy writing".{{cite web|url=https://www.animenewsnetwork.com/review/sword-art-online/blu-ray-1|title=Sword Art Online Blu-Ray 1{{Snd}} Aincrad Part 1 [Limited Edition]|last1=Silverman|first1=Rebecca|date=September 9, 2013|website=Anime News Network|archive-url=https://web.archive.org/web/20190710055659/https://www.animenewsnetwork.com/review/sword-art-online/blu-ray-1|archive-date=July 10, 2019|url-status=live|access-date=July 10, 2019}} Theron Martin of the same website criticized the story as struggling "to achieve and maintain the level of gravitas that life-or-death danger should have", while calling it unwilling to commit to Kirito's "lone wolf" image.{{cite web|url=https://www.animenewsnetwork.com/review/sword-art-online/episodes-1|title=Sword Art Online episodes 1-6 streaming|last1=Martin|first1=Theron|date=August 28, 2012|website=Anime News Network|archive-url=https://web.archive.org/web/20140404113110/http://www.animenewsnetwork.com/review/sword-art-online/episodes-1|archive-date=April 4, 2014|access-date=January 19, 2014}} DeviceCritique explained that Sword Art Online influences the virtual reality market to grow, and referenced the Oculus Rift as a prime example of the starting point of virtual reality. It also praised Sword Art Online for exploring the psychological and social aspects of virtual reality gaming.{{cite web|url=http://devicecritique.com/oculus-rift-vr-large-step-virtual-reality/|title=Oculus Rift VR: One large step into Virtual reality|publisher=DeviceCritique|date=March 27, 2013|access-date=March 4, 2014|archive-url=https://web.archive.org/web/20140305093449/http://devicecritique.com/oculus-rift-vr-large-step-virtual-reality/|archive-date=March 5, 2014}}

While the anime received criticism in western media, the later light novel arcs, such as Mother's Rosario and Alicization, received praise. Anime News Network reviewer Theron Martin praised many of the volumes of the Alicization arc, saying that the author's writing had improved.{{cite web|url=https://www.animenewsnetwork.com/review/sword-art-online/novel-16/.147199|title=Sword Art Online Novel 16{{Snd}} Alicization Exploding|publisher=Anime News Network|date=May 29, 2019|access-date=September 10, 2019|archive-date=September 11, 2019|archive-url=https://web.archive.org/web/20190911062920/https://www.animenewsnetwork.com/review/sword-art-online/novel-16/.147199|url-status=live}} Martin also praised the anime adaptation of the Alicization arc, describing the opening episode as "about the best adaptation that could be hoped for of the relevant source material".{{cite web|url=https://www.animenewsnetwork.com/preview-guide/2019/fall/sword-art-online-alicization-war-of-underworld/.152180|title=The Fall 2019 Anime Preview Guide Sword Art Online: Alicization War Of Underworld|publisher=Anime News Network|date=October 12, 2019|access-date=October 26, 2019|archive-date=October 29, 2019|archive-url=https://web.archive.org/web/20191029122951/https://www.animenewsnetwork.com/preview-guide/2019/fall/sword-art-online-alicization-war-of-underworld/.152180|url-status=live}}

Kirito makes a cameo appearance in the eighth episode of the anime series Eromanga Sensei, with Yoshitsugu Matsuoka reprising his role.{{cite web|title="Eromanga Sensei" Flame On "Sword Art Online" Proves To Be Too Hot For Anime|url=http://www.crunchyroll.com/anime-news/2017/05/29/eromanga-sensei-flame-on-sword-art-online-proves-to-be-to-hot-for-anime|date=May 30, 2017|access-date=May 2, 2018|archive-url=https://web.archive.org/web/20180502210836/http://www.crunchyroll.com/anime-news/2017/05/29/eromanga-sensei-flame-on-sword-art-online-proves-to-be-to-hot-for-anime|archive-date=May 2, 2018|url-status=live|df=mdy-all}}

Ernest Cline, the writer of 2011 novel Ready Player One, discussed Sword Art Online in an interview, noting how he met its writer Reki Kawahara at an event in Japan where they discussed how they independently developed similar ideas related to virtual reality.{{cite web|title=Ernest Cline Interview: Ready Player One|url=https://screenrant.com/ready-player-one-ernest-cline-interview/|website=Screen Rant|date=March 26, 2018|access-date=April 3, 2018|archive-url=https://web.archive.org/web/20180403112515/https://screenrant.com/ready-player-one-ernest-cline-interview/|archive-date=April 3, 2018|url-status=live|df=mdy-all}} It has also been noted that the Phantom Bullet (Gun Gale Online) arc released in print in 2010 depicts an early fictional battle royale game called Bullet of Bullets.{{cite news |title='Gun Gale Online' Reveals Direct Tie-In To 'Sword Art Online' |url=https://comicbook.com/anime/2018/04/23/how-gun-gale-connects-to-sword-art-online-bullet-of-bullets/ |access-date=16 April 2019 |work=ComicBook.com |date=April 24, 2018 |archive-date=April 16, 2019 |archive-url=https://web.archive.org/web/20190416015905/https://comicbook.com/anime/2018/04/23/how-gun-gale-connects-to-sword-art-online-bullet-of-bullets/ |url-status=live }}

On June 12, 2015, the now-inactive Chinese Ministry of Culture listed Sword Art Online II among 38 anime and manga titles banned in China.{{cite web |url=http://www.sbs.com.au/popasia/blog/2015/06/12/china-bans-38-japanese-anime-manga-titles-including-attack-titan |title=China bans 38 anime & manga titles including Attack on Titan |publisher=Special Broadcasting Service |date=2015-06-12 |access-date=2018-08-31 |archive-url=https://web.archive.org/web/20180831174910/https://www.sbs.com.au/popasia/blog/2015/06/12/china-bans-38-japanese-anime-manga-titles-including-attack-titan |archive-date=August 31, 2018 |url-status=live |df=mdy-all }} In July 2020, Sword Art Online became one of seven manga titles to be removed from Books Kinokuniya in Australia for claims of promoting child pornography.{{cite web|url=https://www.animenewsnetwork.com/news/2020-07-21/books-kinokuniya-sydney-removes-7-manga-after-lawmaker-child-pornography-complaint/.162070|title=Books Kinokuniya Sydney Removes 7 Manga After Lawmaker's 'Child Pornography' Complaint|publisher=Anime News Network|date=July 21, 2020|access-date=July 21, 2020|archive-date=July 21, 2020|archive-url=https://web.archive.org/web/20200721070247/https://www.animenewsnetwork.com/news/2020-07-21/books-kinokuniya-sydney-removes-7-manga-after-lawmaker-child-pornography-complaint/.162070|url-status=live}}

In the 2020 edition of Kono Light Novel ga Sugoi!, Sword Art Online was voted by the public in an online poll and by a jury (critics, influencers, and other people related to the light novel industry) as the best light novel series of the 2010s, being the first in the ranking with 1,728.95 points.{{cite web|url=https://www.animenewsnetwork.com/interest/2019-11-26/kono-light-novel-ga-sugoi-sword-art-online-is-the-light-novel-of-the-decade/.153701|title=Kono Light Novel ga Sugoi!: Sword Art Online is the Light Novel of the Decade|publisher=Anime News Network|date=November 26, 2019|access-date=November 26, 2019|archive-date=May 27, 2022|archive-url=https://web.archive.org/web/20220527234203/https://www.animenewsnetwork.com/interest/2019-11-26/kono-light-novel-ga-sugoi-sword-art-online-is-the-light-novel-of-the-decade/.153701|url-status=live}}

{{notelist}}

{{reflist}}

{{Portal|Anime and manga|Speculative fiction}}

{{Commons}}

• {{Official website|www.sao-anime.com/en/index/|Official anime website - Asia}} {{in lang|en}}
• {{Official website|www.swordart-online.net|Official anime website}} {{in lang|ja}}
• {{official website|swordart-onlineusa.com|Official North American website}}
• {{anime News Network|light novel|15607}}
• {{IMDb title|qid=Q63348493|id=tt2250192}}

{{Sword Art Online|state=expanded}}

{{Reki Kawahara}}

{{A-1 Pictures television series}}

{{A-1 Pictures}}

{{Extended reality}}

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