:Ninja Gaiden (2004 video game)

File:Ninja Gaiden 2004 gameplay.jpg fighting against enemies]]

Ninja Gaiden develops its narrative thread through the actions of its player-controlled protagonist, Ryu Hayabusa. Viewed from a third person over-the-shoulder perspective, in typical action-adventure fashion Ryu starts the game with basic, low-level abilities and weapons that can be upgraded as he progresses, by discovering or buying items. In keeping with his ninja persona, his character can interact with the game environment to perform acrobatic feats, such as running along and jumping off walls, swinging from pole to pole, or running across water.{{cite web | author = Greg Kasavin | title = Ninja Gaiden for Xbox Review | website = GameSpot |archive-url=https://web.archive.org/web/20110629004531/http://www.gamespot.com/xbox/action/ninjagaiden/review.html |archive-date=2011-06-29 | date = 2004-02-26 | url = http://www.gamespot.com/xbox/action/ninjagaiden/review.html | access-date = 2007-08-21 }} The game world is made up of several distinct regions,{{cite magazine | author = Edge staff |date=August 2002 | title = Inside... Tecmo | magazine = Edge | issue = 113 | pages = 51–55 | publisher = Future Publishing | location = Bath, England | issn = 1350-1593 }} most of which are connected via the city of Tairon, which functions as a hub.{{cite web | author = Erik Brudvig | title = Ninja Gaiden Black Guide Walkthrough: Chapter 4 - Imperial City Infiltration | website = IGN | date = 2005-09-19 | url = http://guides.ign.com/guides/745543/page_20.html | access-date = 2008-10-13 | archive-date = 2008-09-27 | archive-url = https://web.archive.org/web/20080927150935/http://guides.ign.com/guides/745543/page_20.html | url-status = live }} Access to these regions are obtained by fighting enemies, finding keys, or solving puzzles, inspired by the mechanics of The Legend of Zelda video games.{{cite web | author = James Mielke | title = Previews: Ninja Gaiden Sigma | website = 1UP.com | date = 2007-01-12 | url = http://www.1up.com/do/previewPage?cId=3156377 | access-date = 2008-01-27 }} Dragon busts scattered throughout the regions provide the means to save player progress, permitting gameplay to be resumed at a later time.

Ryu's movements are directed using the console gamepad. The game's control system, which comprises the left thumbstick, two attack buttons, and a block button, was described as fluid and responsive,{{cite web | author = Alex Kidman | title = Ninja Gaiden | publisher = CNET Australia | date = 2004-08-02 | url = http://www.cnet.com.au/ninja-gaiden-review-219117552.htm | access-date = 2007-08-23 | quote = This gripping feeling is accentuated by the game's controls, which are both fluid and responsive, whether in the pure platform-like sections (think Prince of Persia: The Sands of Time, especially when Ryu's running along walls or flipping himself out of pits) or the core of the game's challenge, the combat sections. | archive-date = 2009-11-04 | archive-url = https://web.archive.org/web/20091104002201/http://www.cnet.com.au/ninja-gaiden-review-219117552.htm | url-status = live }}{{cite web | author = Aaron Boulding | title = Ninja Gaiden: The Interview | website = IGN | date = 2003-06-25 | url = http://xbox.ign.com/articles/426/426010p1.html | archive-url = https://web.archive.org/web/20030704091401/http://xbox.ign.com/articles/426/426010p1.html | url-status = dead | archive-date = July 4, 2003 | access-date = 2007-08-21 }} and Ninja Gaiden was regarded as having one of the deeper combat engines among Xbox games at the time, comparing well to the {{nowraplinks|PlayStation 2}} action-adventures God of War and Devil May Cry.{{cite web | author = Eric Williams | title = Combat Canceled: God of War & Action Game Design | website = IGN | date = 2008-02-15 | url = http://www.gamasutra.com/php-bin/news_index.php?story=17215 | access-date = 2008-02-21 | archive-date = 2008-02-18 | archive-url = https://web.archive.org/web/20080218223103/http://www.gamasutra.com/php-bin/news_index.php?story=17215 | url-status = live }}{{cite web | author = Tom Orry | title = God of War: Chains of Olympus Review | publisher = Pro-G | date = 2008-03-28 | url = http://www.videogamer.com/psp/god_of_war_chains_of_olympus/review.html | access-date = 2008-05-31}}{{cite web | author = Christian Nutt | title = Ninja Gaiden (Xbox) | publisher = GameSpy | date = 2004-02-27 | url = http://xbox.gamespy.com/xbox/ninja-gaiden/499692p1.html | access-date = 2007-08-21 | archive-date = 2007-09-05 | archive-url = https://web.archive.org/web/20070905180620/http://xbox.gamespy.com/xbox/ninja-gaiden/499692p1.html | url-status = live }} Eric Williams, the designer of the God of War combat engine, explained that Ninja Gaiden prohibits players from stopping or changing attacks in mid-stroke. In contrast, God of War allows players to do so, and Devil May Cry grants this freedom to certain attacks. Williams said that, compared to those two games, the combat system in Ninja Gaiden was harder to master; however, it lets players fight their computer controlled foes on equal terms.

Ninja Gaiden features a large selection of weapons for Ryu to wield, each with advantages and disadvantages that affect the way the player approaches combat. These include one-handed swords, such as the Dragon Sword and Kitetsu, which grant quick attacks, and a move called the "Flying Swallow", which allows Ryu to leap and slash through enemies. In addition these light weapons allow Ryu to smash foes into the ground and perform his signature Izuna Drop—a spinning piledriver. Heavy weapons, such as the Dabilahro and the Unlabored Flawlessness, are slow but cause more damage to opponents. With flails and staves, the player can string together long sequences of attacks. To engage distant foes Ryu can throw shuriken and shoot arrows.{{cite web | author = Hilary Goldstein | title = Ninja Gaiden: Blade Love | website = IGN | date = 2004-02-25 | url = http://xbox.ign.com/articles/494/494669p1.html | archive-url = https://web.archive.org/web/20040408161702/http://xbox.ign.com/articles/494/494669p1.html | url-status = dead | archive-date = April 8, 2004 | access-date = 2007-08-21 }} In addition to using standard melee techniques, Ryu can employ essences—colored globes of energy that are released on the death of enemies and absorbed into Ryu's body when he comes into proximity with them. Essences have an important role in general gameplay, acting to heal Ryu, restore his magic, or increase his cash. However, in combat the player can cause Ryu to deliberately draw in essences, which can then be used to unleash powerful attacks known as Ultimate Techniques that allow Ryu to damage enemies without taking damage himself.{{cite web | author = Erik Brudvig | title = Ninja Gaiden Black Guide Basics | website = IGN | date = 2005-09-19 | url = http://guides.ign.com/guides/745543/page_2.html | access-date = 2008-10-13 | archive-date = 2008-10-17 | archive-url = https://web.archive.org/web/20081017052740/http://guides.ign.com/guides/745543/page_2.html | url-status = live }} These techniques deal heavy damage and make Ryu immune to injury for a short time.{{cite web | author = Tom Bramwell | title = Ninja Gaiden | website = Eurogamer | date = 2004-03-16 | url = http://www.eurogamer.net/articles/ir_ninjagaiden_x | access-date = 2007-08-21 | archive-date = 2009-01-29 | archive-url = https://web.archive.org/web/20090129232643/http://www.eurogamer.net/articles/ir_ninjagaiden_x | url-status = live }}

Ninja Gaiden also provides Ryu with magical spells in the form of ninpo spells. When activated by the player, these make Ryu cast fireballs, ice storms, or bolts of lightning. Functioning in a similar manner to the bombs or grenades of shooter action games, these spells allow Ryu to inflict heavy damage on enemies while potentially avoiding damage himself.{{cite web | author = Hilary Goldstein | title = Ninja Gaiden Review | website = IGN | date = 2004-02-27 | url = http://xbox.ign.com/articles/495/495186p1.html | archive-url = https://web.archive.org/web/20040227233533/http://xbox.ign.com/articles/495/495186p1.html | url-status = dead | archive-date = February 27, 2004 | access-date = 2007-08-21 }} But, dissatisfied with their programmed visual effects, the game's director Tomonobu Itagaki wanted to deter players from using ninpo. He therefore tweaked the game to award bonus points when players cleared stages without employing magic.{{cite web | author = James Mielke | title = Previews: Ninja Gaiden 2 | website = 1UP.com | date = 2007-11-16 | url = http://www.1up.com/do/previewPage?cId=3164447 | access-date = 2007-11-16 }} For Ryu's defense, the player has two options. First, Ryu can stand still and attempt to block attacks. However, certain enemies can break his guard—either through particularly strong attacks or by grappling him. The second option is to make Ryu dodge, by rolling away from the attack in a maneuver called "reverse wind".{{cite web|url=http://uk.gamespot.com/features/ninja-gaiden-walkthrough-6090432/?page=2|title=Ninja Gaiden Walkthrough, Page 2|website=GameSpot|access-date=2012-07-18|archive-date=2012-01-10|archive-url=https://web.archive.org/web/20120110011343/http://uk.gamespot.com/features/ninja-gaiden-walkthrough-6090432/?page=2|url-status=live}}

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Inspired by the 1980s Ninja Gaiden series for the Nintendo Entertainment System (NES), the 2004 version was originally set in a re-imagined game world based on another Team Ninja creation, the Dead or Alive (DOA) series of fighting games. However, interviews with Tomonobu Itagaki indicate that the Xbox games are prequels to the NES series and that both possibly share a single continuity.{{cite web | last = Mielke | first = James | title = Previews: Ninja Gaiden 2 | quote = "This is a new story starring Ryu Hayabusa. It takes place after Ninja Gaiden for Xbox, and before the timeframe of the old Ninja Gaiden games on the NES." | website = 1UP.com | date = 2007-11-16 | url = http://www.1up.com/do/previewPage?pager.offset=1&cId=3164447 | access-date = 2008-07-04 | archive-url = https://web.archive.org/web/20110522141623/http://www.1up.com/do/previewPage?pager.offset=1&cId=3164447 | archive-date = 2011-05-22 | url-status = dead }}{{cite news | last = Yin-Poole | first = Wesley | title = Ninja Gaiden 2 Interview | quote = "Story chronologically as well, this takes place after the fist Ninja Gaiden for Xbox, then after this, the story for this game from a chronological stand point leads into the old Ninja Gaiden for the NES. I think we have a nice continuity there." | publisher = Video Gamer | date = 2008-05-22 | url = http://www.videogamer.com/xbox360/ninja_gaiden_2/preview-948.html | access-date = 2008-07-04 | archive-date = 2008-12-01 | archive-url = https://web.archive.org/web/20081201185037/http://www.videogamer.com/xbox360/ninja_gaiden_2/preview-948.html | url-status = live }}{{cite web | last = Luke | first = Anderson | title = Ninja Gaiden II: Q&A with Tomonobu Itagaki | quote = "In story chronology as well, this takes place after the first Ninja Gaiden for Xbox and then after the story of this game it leads into the old NES ones, so I think we have a nice continuity there." | website = GameSpot | date = 2008-05-23 | url = http://www.gamespot.com/xbox360/action/ninjagaidenii/news.html?sid=6191514&part=rss&subj=6191514 | access-date = 2008-07-04 | archive-date = 2008-12-05 | archive-url = https://web.archive.org/web/20081205161412/http://www.gamespot.com/xbox360/action/ninjagaidenii/news.html?sid=6191514&part=rss&subj=6191514 | url-status = live }}

Ninja Gaiden is set in the game world of the Dead or Alive series.{{cite web | author = César A. Berardini | title = Ninja Gaiden: Tomonobu Itagaki Interview | publisher = TeamXbox | date = 2003-12-05 | url = http://interviews.teamxbox.com/xbox/701/Ninja-Gaiden-Tomonobu-Itagaki-Interview/p1/ | access-date = 2007-08-21 | archive-url = https://web.archive.org/web/20120321090741/http://interviews.teamxbox.com/xbox/701/Ninja-Gaiden-Tomonobu-Itagaki-Interview/p1/ | archive-date = 2012-03-21 | url-status = dead }} Located mainly in Japan and the fictional Western Asian nation of the Vigoor Empire, the game draws on Heian period structures for its Japanese locales—a ninja fortress and village set in the mountains. In contrast the Vigoor Empire, with its capital city of Tairon, is a blend of architectural types from around the world. European-style buildings and the monastery in Tairon exhibits Gothic influences with a vaulted hall, pointed arches, and large stained glass windows. A hidden underground level features statues with the heads of cats, walls covered with carvings, hieroglyphics, Aztec pyramid and a labyrinth.{{cite web|url=http://uk.gamespot.com/features/ninja-gaiden-walkthrough-6090432/?page=35|title=Ninja Gaiden Walkthrough, Page 35|website=GameSpot|access-date=2012-07-22|archive-date=2012-01-13|archive-url=https://web.archive.org/web/20120113190101/http://uk.gamespot.com/features/ninja-gaiden-walkthrough-6090432/?page=35|url-status=live}} This mix of styles was the result of Itagaki's refusal to constrain the game's creative process.Ninja Gaiden's story spans 16 chapters, each beginning and ending with a cutscene.

Ryu Hayabusa, the "super ninja", is the protagonist of Ninja Gaiden,{{cite web | author = James Mielke | title = Itagaki Talks DOA4 Demo on Live | website = 1UP.com | date = 2006-07-24 | url = http://www.1up.com/do/newsStory?cId=3152406 | quote = Tomonobu Itagaki: First of all, I have of course included the eternal heroine, Kasumi, as well as everyone's favorite Super Ninja, Ryu Hayabusa. | access-date = 2007-10-08 }}{{cite web | author = GameSpy staff | title = Dead or Alive 4 Guys Week #1 (X360) | publisher = GameSpy | date = 2005-10-25 | url = http://xbox360.gamespy.com/xbox-360/dead-or-alive-4/657005p1.html | access-date = 2007-10-08 | archive-date = 2007-10-07 | archive-url = https://web.archive.org/web/20071007082214/http://xbox360.gamespy.com/xbox-360/dead-or-alive-4/657005p1.html | url-status = live }} and the primary player-controllable character in the game. Itagaki believed that creating extra player characters might distract his team from focusing on Ryu's development, despite this, Rachel is a playable character in the Sigma version of the game.{{cite journal | author = James Mielke | title = Ninja Gaiden | journal = GMR | publisher = Ziff-Davis | location = California, United States |date=July 2003 | issn = 1544-6816 | quote = Tomonobu Itagaki: We're not really that interested in making supporting characters playable. Right now, we are simply focusing on making the movements and actions of our "Super Ninja" Ryu Hayabusa the coolest on the planet.}}{{cite web | author = James Mielke | title = Itagaki Hardcore Part 1: The Future of Team Ninja | website = 1UP.com | date = 2005-09-27 | url = http://www.1up.com/do/feature?cId=3144132 | access-date = 2007-10-01 }}{{Dead link|date=November 2021 |bot=InternetArchiveBot |fix-attempted=yes }} Ryu has a long history with Tecmo; he was the star of the 1990s Ninja Gaiden series and has been part of the DOA roster since 1996. His roles in these games played a part in his popularity among fans and the video game industry.{{cite web | author = Rus McLaughlin | title = IGN Presents The History of Ninja Gaiden | website = IGN | date = 2008-01-28 | url = http://retro.ign.com/articles/848/848155p1.html | access-date = 2008-01-29 | archive-date = 2011-03-20 | archive-url = https://web.archive.org/web/20110320040508/http://retro.ign.com/articles/848/848155p1.html | url-status = live }}{{cite video | people = ScrewAttack | date = 2007-08-28 | title = Top Ten Ninjas | url = http://www.gametrailers.com/video/top-ten-screwattack/24269 | format = swf | series = ScrewAttack's Top 10 | publisher = GameTrailers | access-date = 2008-03-30 | time = 05:20 | archive-date = 2009-05-20 | archive-url = https://web.archive.org/web/20090520014049/http://www.gametrailers.com/video/top-ten-screwattack/24269 | url-status = live }} Ninja Gaiden provides a backstory to Ryu's appearance and character as seen in the Dead or Alive series, being set two years before the first DOA game.

Rachel is the leading female character, and tragic heroine of the game. She and her twin sister, Alma, are afflicted with a blood curse that turns humans into fiends.{{cite video game | title = Ninja Gaiden | developer = Team Ninja | publisher = Tecmo | date = 2004-03-02 | platform = Xbox | quote = Rachel: It's hard to believe they were ever humans, isn't it? [...] Anyone with susceptibility to the curse, whether they are a saint or a sinner, can succumb to it and become a Fiend. }}

Believing that there is no cure for their condition, Rachel seeks to kill Alma to redeem her sister's soul. The relationship between the sisters and the Greater Fiend Doku, who cursed them, serves as a plot device to drive the game forward,{{cite video game | title = Ninja Gaiden Sigma | developer = Team Ninja | publisher = Tecmo | date = 2007-07-03 | platform = PlayStation 3 | quote = Rachel: I was convinced once that my blood was pure... but then I saw what my pure blood was capable of. I watched as my twin sister was cursed and twisted into a Greater Fiend. Now I know the path I walk is narrow. }}

with Rachel occasionally needing to be rescued by Ryu. Although not a player-controlled character in Ninja Gaiden, in a few sections of the Ninja Gaiden Sigma remake she is controllable. Two other characters assist the player in the game. Ayane, a young female ninja and one of the DOA regular cast members, acts as a guide throughout Ninja Gaiden by supplying advice and objectives to the player. Muramasa, a bladesmith, has shops scattered throughout the game world where players can purchase useful items and upgrades for Ryu's weapons. Muramasa also gives quests and relates back-stories and other crucial information; for example, he tells Ryu how he can obtain the item required to upgrade his Dragon Sword to its full potential. Players have the option to customize the appearance of player characters, with selectable costumes for Ryu and hairstyles for Rachel.

Most of the enemies are fiends—humans changed into monsters by their blood curse. Three Greater Fiends lead their lesser brethren against Ryu, playing major roles in the game's plot: Alma, Rachel's sister, whose story forms a significant part of the game; Doku, Ryu's main antagonist, whose raid on Hayabusa village and theft of the Dark Dragon Blade comprise the main plot thread; and Marbus, lord of the fiend underworld who is responsible for the final set of challenges Ryu faces in the realm of the fiends before encountering the Vigoor Emperor.{{cite video game | title = Ninja Gaiden | developer = Team Ninja | publisher = Tecmo | date = 2004-03-02 | platform = Xbox | quote = Ryu: So, the Greater Fiends have a soul, don't they?
Rachel: [...] There are only three of them, Doku, my sister and another who guards the Emperor.}}

Centuries ago, the Dark Dragon Blade was forged from what was believed to be the bones of a dark dragon. It carried an immense power of evil that whoever wielded it would become the devil incarnate. It brought plague and death to the world during the age of ancient myth until it was sealed by those of the Dragon lineage. Its sister blade, the Dragon Sword, which had been used to slay the dark dragons, was handed down from generation to generation in the Hayabusa Ninja Clan, the modern descendants of the Dragon lineage. Its current successor is Ryu Hayabusa.

Ryu infiltrates the Shadow Clan fortress to visit his uncle, clan leader Murai. During their chat, Ayane delivers news of a raid on the Hayabusa village. Fighting his way back to his village, Ryu encounters Doku, who has killed the Hayabusa shrine maiden Kureha and has taken the Dark Dragon Blade. Ryu is cut down by Doku with the stolen Blade, but he is brought back to life as a "soldier of revenge" by a falcon, the spiritual animal of the Hayabusa clan.

Seeking vengeance for the death of his childhood friend, Ryu learns from Murai that the raiders are from the Vigoor Empire, a mysterious clan that takes refuge in the city of Tairon. Due to its exclusionist foreign policy, Ryu stows away on an airship to reach his destination. In Tairon, Ryu not only battles the Vigoor Empire clan but also monstrous enemies called Fiends and a rival clan called the Black Spider Clan that also seek the Dark Dragon Blade. Eventually, he meets Rachel, a Fiend Hunter who too seeks vengeance on Doku for turning her twin sister Alma into a Greater Fiend. In the background, Ryu is shadowed by Gamov and the Dark Disciple, two mysterious figures with an unknown motive.

Ryu eventually encounters Alma and defeats her in a battle that wrecks the city but leaves her to Rachel's mercy. Conversely, Rachel cannot bring herself to kill her sister,{{cite video game | title = Ninja Gaiden | developer = Team Ninja | publisher = Tecmo | date = 2004-03-02 | platform = Xbox | quote = Doku: Ah... Rachel. I should kill you now for the pain you've inflicted on Alma, but instead, I shall use you to make her even stronger. It will be your blood, the cursed blood of a twin sister that shall serve to awaken Alma.}} and instead is taken by Doku, who prepares to sacrifice her in a ritual to enhance Alma's power. However, in a strange turn of events, Alma sacrifices herself and rescues Rachel, destroying Doku's spirit in the process. With his dying breath, Doku casts the blood curse on Ryu, which turns his skin blue and eyes red.{{cite video game | title = Ninja Gaiden | developer = Team Ninja | publisher = Tecmo | date = 2004-03-02 | platform = Xbox | quote = Spirit Doku: Receive the curse, become a Fiend.}} The only way to lift the curse is to kill the clan's leader, the Holy Vigoor Emperor. While Rachel mourns the death of Alma, Ryu storms the Imperial Palace and faces the Holy Vigoor Emperor in a fiery volcanic pit. Once the Emperor is destroyed, Ryu's curse is lifted and the realm begins to collapse. Ryu seizes the Dark Dragon Blade and ascends to the surface with the help of Rachel but in the process, he loses his grip on the evil Blade.

Outside the Imperial Palace, the Dark Dragon Blade lands at the feet of the Dark Disciple, who takes it and kills Gamov. The Disciple reveals himself to be Murai and admits that the raid on Hayabusa village was part of his plan to restore the Blade's evil power, using souls harvested by Ryu.{{cite video game | title = Ninja Gaiden | developer = Team Ninja | publisher = Tecmo | date = 2004-03-02 | platform = Xbox | quote = Dark Disciple: Gamov, so the Dark Dragon grows in power with each killing.}}{{cite video game | title = Ninja Gaiden | developer = Team Ninja | publisher = Tecmo | date = 2004-03-02 | platform = Xbox | quote = Gamov: Don't you see? The Dark Dragon is now truly an evil blade. His Excellency the Dark Disciple has been waiting for this very moment!}} Drawing on the Blade, Murai transforms into a devil incarnate and attempts to kill his nephew. Ryu defeats Murai and shatters the Blade with the True Dragon Sword. Victorious, Ryu turns himself into a falcon and flies to the Hayabusa village. In the final scene, he places the Dragon Eye, used to enhance his sword, on Kureha's tombstone and disappears into the night.

In 1999, Team Ninja started work on the "Next-Generation Ninja Gaiden Project". The first stage of development was to create the game on the Sega NAOMI arcade system board. They then planned to move the project to the Dreamcast console for further development and release, but this was abandoned when Sega announced the end of Dreamcast product line in 2001. At this point, Tecmo decided to release Ninja Gaiden as a launch game for the Sony PlayStation 2 in the United States.{{cite web | author = Sam Kennedy | title = Ninja Gaiden Goes PlayStation 2 | website = GameSpot | date = 1999-06-03 | url = http://www.gamespot.com/news/2450994.html | access-date = 2007-08-21 | archive-date = 2007-09-29 | archive-url = https://web.archive.org/web/20070929123858/http://www.gamespot.com/news/2450994.html | url-status = live }} Itagaki, however, had other plans; impressed with the software development kits for the Xbox, he pushed for Team Ninja to develop for the Microsoft console. The company kept silent on this change in direction, and surprised both the games industry and fans when they announced at E3 2002 that Ninja Gaiden would be released exclusively on the Xbox gaming console. Most fans who voted on Tecmo's poll wanted the game on the Nintendo GameCube.{{cite web | author = IGN staff | title = Ninja Gaiden on PS2? | website = IGN | date = 2001-06-29 | url = http://ps2.ign.com/articles/096/096210p1.html | access-date = 2007-08-21 | archive-date = 2007-10-12 | archive-url = https://web.archive.org/web/20071012220533/http://ps2.ign.com/articles/096/096210p1.html | url-status = live }}

Ninja Gaiden was Team Ninja's first action game. Its initial concept had nothing in common with the original Ninja Gaiden series that was released for the NES.{{cite journal | author = Xbox Nation staff | title = Paradise Lost | journal = Xbox Nation | publisher = Ziff Davis | location = California, United States | issn = 1538-9723 | date = Winter 2002 | url = http://bellsouthpwp.net/r/a/racerg/itagaki-xbn-winter2002.html | access-date = 2007-09-23 | archive-url = https://web.archive.org/web/20090503103746/http://bellsouthpwp.net/r/a/racerg/itagaki-xbn-winter2002.html | archive-date = 2009-05-03 | url-status = dead }} However, for retail reasons Tecmo wanted to retain a link with the previous games, which had many adherents in the West, so Itagaki was asked to rethink his ideas to target the foreign market. Analyzing the earlier games, he concluded that their violence appealed to players, and included gory content, such as beheadings, in the Xbox game to retain that spirit. He also aimed to make his new game hard but alluring; it would challenge players on their reflexes rather than on their memories of layouts and timings. His team made a point of designing smoothly-flowing gameplay with high-quality animations that reacted quickly to the player's input. Itagaki paid homage to the earlier Ninja Gaiden series by including updated versions of foes and special attacks. Team Ninja based their 3D computer models, from the pistols of the henchman upwards, on real world material. Character models were taken from studies of human anatomy, and the team hired martial artists in order to digitally capture their movement. Rather than import the motion captures directly into the game, however, the animators used them as templates to give a sense of realism to the game characters' exaggerated movements. Itagaki found it more interesting to design nonhuman creatures than human enemies.

In 2004, Tecmo released a demo disc of Ninja Gaiden in Japan, bundled with the February 26 issue of Famitsu Xbox magazine.{{cite web | author = IGN staff | title = Ninja Gaiden Demo Disc | website = IGN | date = 2004-01-20 | url = http://xbox.ign.com/articles/473/473498p1.html | archive-url = https://web.archive.org/web/20040123024140/http://xbox.ign.com/articles/473/473498p1.html | url-status = dead | archive-date = January 23, 2004 | access-date = 2007-08-21}} The demo let players try the first chapter of the game on two difficulty settings with a few fully upgraded weapons and ninpos.{{cite web | author = Anoop Gantayat | title = Ninja Gaiden Demo Busted | website = IGN | date = 2004-02-13 | url = http://xbox.ign.com/articles/492/492400p1.html | archive-url = https://web.archive.org/web/20040214223233/http://xbox.ign.com/articles/492/492400p1.html | url-status = dead | archive-date = February 14, 2004 | access-date = 2007-08-21}} On March 2, 2004, a year later than originally planned, Tecmo released Ninja Gaiden in the United States.{{cite web | author = IGN staff | title = Ninja Gaiden Still On Track | website = IGN | date = 2003-09-19 | url = http://xbox.ign.com/articles/450/450798p1.html | archive-url = https://web.archive.org/web/20030922024549/http://xbox.ign.com/articles/450/450798p1.html | url-status = dead | archive-date = September 22, 2003 | access-date = 2008-04-21}}{{cite web | author = IGN staff | title = More Ninja Gaiden | website = IGN | date = 2003-12-01 | url = http://xbox.ign.com/articles/442/442537p1.html | archive-url = https://web.archive.org/web/20031210051924/http://xbox.ign.com/articles/442/442537p1.html | url-status = dead | archive-date = December 10, 2003 | access-date = 2008-04-21}}{{cite web | author = IGN staff | title = Ninja Gaiden Delay | website = IGN | date = 2004-01-29 | url = http://xbox.ign.com/articles/481/481455p1.html | archive-url = https://web.archive.org/web/20040215070544/http://xbox.ign.com/articles/481/481455p1.html | url-status = dead | archive-date = February 15, 2004 | access-date = 2008-04-21}} It was subsequently released in Japan, the United Kingdom, and Australia on March 11,{{Cite web |date=February 17, 2004 |title=Japan Gets Ninja Gaiden Delay |url=https://www.ign.com/articles/2004/02/17/japan-gets-ninja-gaiden-delay |access-date=July 12, 2024 |website=IGN |language=en}} May 14,{{Cite web |last=Bramwell |first=Tom |date=April 21, 2004 |title=What's New? |url=https://www.eurogamer.net/news210404ninjagaiden |access-date=July 12, 2024 |website=Eurogamer}} and May 28, respectively.{{Cite web |title=Ninja Gaiden |url=http://www.gpstore.com.au/Games/1461022.html |archive-url=https://web.archive.org/web/20041024000122/http://www.gpstore.com.au/Games/1461022.html |archive-date=October 24, 2004 |access-date=July 12, 2024 |website=Gameplanet |quote=Released: 28th May, 2004}}

As released, Ninja Gaiden contained bloody acts of violence, decapitations and grotesque monsters. The North American games rating body, the Entertainment Software Rating Board (ESRB), rated it as a "Mature" game, which prohibits sale to anyone under the age of 17 in several states.{{cite web | author = Tor Thorsen | title = Ninja Gaiden: Not for kids! | website = GameSpot | date = 2004-01-20 | url = http://www.gamespot.com/xbox/action/ninjagaiden/news.html?sid=6086698 | access-date = 2008-02-11 | archive-date = 2011-06-29 | archive-url = https://web.archive.org/web/20110629004657/http://www.gamespot.com/xbox/action/ninjagaiden/news.html?sid=6086698 | url-status = live }} The depiction of beheadings, though, attracts stricter ratings in other parts of the world.{{cite web | author = Alex Navarro | title = Ninja Gaiden could get Euro makeover | website = GameSpot | date = 2004-03-11 | url = http://www.gamespot.com/news/6091272.html | access-date = 2008-05-08 | archive-date = 2011-06-29 | archive-url = https://web.archive.org/web/20110629004743/http://www.gamespot.com/news/6091272.html | url-status = live }} In Germany, the Unterhaltungssoftware Selbstkontrolle (USK) deemed these excessive, and refused to rate the game at all. Since this had the potential to place Ninja Gaiden in Germany's "List of Media Harmful to Young People", which would have meant that shops could neither advertise the game nor sell it unless by request to customers of 18 years or older,{{cite web | author = Dan Chiappini | title = Censory Overload—Australia vs. World | website = GameSpot AU | date = 2008-04-10 | url = http://www.gamespot.com/features/6188493/p-3.html | access-date = 2008-04-26 | archive-date = 2011-06-29 | archive-url = https://web.archive.org/web/20110629004749/http://www.gamespot.com/features/6188493/p-3.html | url-status = live }} Tecmo censored the European PAL version to obtain a USK rating.{{cite web | author = 1UP staff | title = Ninja Gaiden Censored In Europe | website = 1UP.com | year = 2004 | url = http://www.1up.com/do/newsStory?cId=3125273 | access-date = 2008-05-04}} A year later, Tecmo managed to obtain a USK 18+ rating for the uncensored release of Ninja Gaiden Black.

Japan's Computer Entertainment Rating Organization (CERO) rated Ninja Gaiden and Black, on their release, as 18+ games.{{cite news | author = CESA staff | script-title = ja:旧18才以上対象ソフト再審査結果一覧（2006．05．30現在） | publisher = Computer Entertainment Supplier's Association | date = 2006-05-30 | url = http://www.cesa.or.jp/news/2006/060530.pdf | language = ja | access-date = 2008-03-21 | archive-date = 2007-02-03 | archive-url = https://web.archive.org/web/20070203023507/http://www.cesa.or.jp/news/2006/060530.pdf | url-status = live }} At the time, CERO ratings acted as guidelines for consumers. However, on March 1, 2006, the Japanese rating system changed. A scale from A to D was introduced, with an additional Z rating for games with large amounts of gore, violence and crime. The Z rating is legally enforced, it being illegal to sell such games to anyone under the age of 18.{{cite web | author = David Jenkins | title = Japan To Introduce Revised CERO Ratings System | website = Gamasutra | date = 2006-02-17 | url = http://www.gamasutra.com/php-bin/news_index.php?story=8213 | access-date = 2008-02-10 | archive-date = 2012-05-12 | archive-url = https://web.archive.org/web/20120512041414/http://www.gamasutra.com/php-bin/news_index.php?story=8213 | url-status = live }} As a result, Tecmo removed the human beheadings in Sigma to obtain a D rating for the East Asian market. However, CERO reclassified the two previous games as D, despite them also depicting human decapitations.

Team Ninja kept working on the Ninja Gaiden project after its release, with the aim of pushing the action genre and their first such game as far as they could.{{cite magazine | author = Billy Berghammer | title = An Interview With Tomonobu Itagaki | magazine = Game Informer | date = 2004-07-27 | url = http://www.gameinformer.com/News/Story/200407/N04.0727.1752.42649.htm | archive-url = https://web.archive.org/web/20051112175317/http://www.gameinformer.com/News/Story/200407/N04.0727.1752.42649.htm | archive-date = 2005-11-12 | url-status = dead | access-date = 2008-01-05}} To this end, they released downloadable expansions, known as Hurricane Packs, free of charge. Itagaki said that since the packs were born out of his team's interest, they did not care to charge players for their efforts.{{cite web | author = Hilary Goldstein | title = Ninja Gaiden: Hurricane Pack Vol. 1 Q&A | website = IGN | date = 2004-07-16 | url = http://xbox.ign.com/articles/531/531106p1.html | archive-url = https://web.archive.org/web/20040719024129/http://xbox.ign.com/articles/531/531106p1.html | url-status = dead | archive-date = July 19, 2004 | access-date = 2008-02-10}} The two packs were available over Xbox Live in the third quarter of 2004.

• Hurricane Pack 1 was a revamped version of Story Mode; Team Ninja tweaked the encounters and artificial intelligence (AI) of Ryu's foes to increase the difficulty of the game. The pack introduced additional foes such as humanoid cats, giants wearing dinosaur skulls, and cyborgs, and Team Ninja made a key change to the camera system by which the on-screen action is displayed; players could now control the camera and change its viewing angle.{{cite web | author = Hilary Goldstein | title = Ninja Gaiden: Hurricane Pack Vol. 1 Hands-On | website = IGN | date = 2004-07-21 | url = http://xbox.ign.com/articles/532/532309p1.html | archive-url = https://web.archive.org/web/20040723062723/http://xbox.ign.com/articles/532/532309p1.html | url-status = dead | archive-date = July 23, 2004 | access-date = 2008-02-10}} Another feature of the pack was to enhance the combat engine; the new "Intercept" skill let players counter any enemy attack with the proper timing.{{cite web | author = Hilary Goldstein | title = Ninja Gaiden: Intercept | website = IGN | date = 2004-07-28 | url = http://xbox.ign.com/articles/534/534280p1.html | archive-url = https://web.archive.org/web/20040810202256/http://xbox.ign.com/articles/534/534280p1.html | url-status = dead | archive-date = August 10, 2004 | access-date = 2007-08-21}}
• Hurricane Pack 2 kept the enhancements of the first but took place in an alternative world comprising only two regions, where players have to fight through several encounters to rescue Rachel from two new bosses (Nicchae and Ishtaros). This expansion introduced fiends who wield giant swords and cast fireballs.{{cite web | author = Hilary Goldstein | title = Ninja Gaiden: Hurricane Pack Vol. 2 Hands-On | website = IGN | date = 2004-09-22 | url = http://xbox.ign.com/articles/550/550203p1.html

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Team Ninja later compiled both expansion packs, and added new features, to create Ninja Gaiden Black. This game, which Itagaki viewed as the final version of Ninja Gaiden,{{cite web | author = Cory J. Herndon | title = Dev Interview: Tecmo w/Itagaki-san | publisher = Xbox.com | date = 2005-05-23 | url = http://www.xbox.com/en-US/games/d/deadoralive4/20050523-tecmo.htm | access-date = 2007-09-23 |archive-url = https://web.archive.org/web/20070515031706/http://www.xbox.com/en-US/games/d/deadoralive4/20050523-tecmo.htm |archive-date = 2007-05-15}} went on sale on September 20, 2005.{{cite press release | title = Ninja Gaiden Black Ships to Retailers | publisher = Tecmo | date = 2005-09-21 | url = http://64.78.9.175/press.asp?id=20 | access-date = 2007-08-23 | archive-date = 2007-09-28 | archive-url = https://web.archive.org/web/20070928020604/http://64.78.9.175/press.asp?id=20 | url-status = live }} A few years later, Team Ninja upgraded the graphics of the game and ported it to the {{nowraplinks|PlayStation 3}} (PS3). This version was released as Ninja Gaiden Sigma on June 14, 2007. Black became an Xbox Original game on February 11, 2008.{{cite web | author = Hilary Goldstein | title = New Xbox Originals on the Horizon | website = IGN | date = 2008-02-05 | url = http://xbox360.ign.com/articles/849/849621p1.html | access-date = 2008-02-21 | url-status = dead | archive-url = https://web.archive.org/web/20090114082620/http://xboxlive.ign.com/articles/849/849621p1.html |archive-date = 2009-01-14}}

Image:The Ninja Gaiden Master Tournament World Championship proceeding on at Tokyo Game Show 20040925.jpg 2004. Finalists played on walkways above the crowd while commentators talked about their actions on the big screen.]]

The Master Ninja Tournaments were a series of three online contests held by Microsoft and Tecmo in 2004. They took place over Xbox Live, and were open to participants in Europe, Japan, and North America. Winner selection was based on the scores achieved through playing Ninja Gaiden or its Hurricane Packs. Players had 14 to 24 days to complete the required games and submit their scores to an online scoreboard.{{cite web |archive-url = https://web.archive.org/web/20110629141601/http://games.ign.com/articles/535/535413p1.html |archive-date=2011-06-29 | author = Stephen Coleman | title = Master Ninja Tournament Registration Extended | website = IGN | date = 2004-08-03 | url = http://games.ign.com/articles/535/535413p1.html |url-status = dead | access-date = 2007-08-21}}{{cite news | author = César Berardini | title = Tecmo Announces Master Ninja Tournament Round 2 | publisher = TeamXbox | date = 2004-07-12 | url = http://news.teamxbox.com/xbox/6261/Tecmo-Announces-Master-Ninja-Tournament-Round-2/ | access-date = 2007-08-21 | archive-date = 2008-12-31 | archive-url = https://web.archive.org/web/20081231015619/http://news.teamxbox.com/xbox/6261/Tecmo-Announces-Master-Ninja-Tournament-Round-2/ | url-status = live }}{{cite web | url = http://gamez.itmedia.co.jp/games/gsnews/0408/03/news09.html | title = 「Ninja Gaiden」世界大会の参加登録延長に | access-date = 2008-03-25 | author = Softbank Games staff | publisher = Softbank Games | date = 2004-08-03 | language = ja | archive-date = 2011-07-21 | archive-url = https://web.archive.org/web/20110721222626/http://gamez.itmedia.co.jp/games/gsnews/0408/03/news09.html | url-status = live }}

The first two tournaments formed regional qualification stages for a live Ninja Gaiden Master Tournament World Championship, held on September 25 at the TGS 2004. Competition for places was intense, with both tournaments breaking records for online participation in Xbox Live events.{{cite press release | title = Round One of Master Ninja Tournament Nearing End | publisher = GameSpot | date = 2004-06-01 | url = http://www.gamespot.com/news/6099631.html | access-date = 2008-10-14 | archive-date = 2011-06-29 | archive-url = https://web.archive.org/web/20110629004808/http://www.gamespot.com/news/6099631.html | url-status = live }}{{cite press release | title = Master Ninja Tournament Breaks Records Again with Highest Registration Numbers | publisher = GameSpot | date = 2004-09-03 | url = http://www.gamespot.com/xbox/action/ninjagaiden/news.html?sid=6106689&mode=press | access-date = 2007-08-21 | archive-date = 2011-06-29 | archive-url = https://web.archive.org/web/20110629004823/http://www.gamespot.com/xbox/action/ninjagaiden/news.html?sid=6106689&mode=press | url-status = live }} Six of the highest scoring players from Europe and North America won bokkens bearing Itagaki's signature,{{cite news | author = César Berardini | title = Master Ninja Tournament for Europe Announced | publisher = TeamXbox | date = 2004-07-26 | url = http://news.teamxbox.com/xbox/6375/Master-Ninja-Tournament-for-Europe-Announced/ | access-date = 2007-08-21 | archive-date = 2008-02-06 | archive-url = https://web.archive.org/web/20080206195120/http://news.teamxbox.com/xbox/6375/Master-Ninja-Tournament-for-Europe-Announced/ | url-status = live }} and five regional winners were selected to proceed to the final. Here, the finalists simultaneously played a custom game drawn from Hurricane Pack 2 while commentators called out the action. They had 15 minutes to complete the game and post the highest score; the winner emerged only in the last 20 seconds, when Yasunori Otsuka cleared the game and outscored his rivals. At the award ceremony, the finalists received their prize plaques from Itagaki.{{cite web | url = http://game.watch.impress.co.jp/docs/20040925/xbox3.htm | title = 世界一のNinja使いがここに決定! 「Master Ninja Tournament 世界決勝戦」がマイクロソフトブースで開催 | access-date = 2008-03-25 | author = 平澤寿康 | publisher = Game Watch | date = 2004-09-25 | language = ja | archive-date = 2012-10-09 | archive-url = https://web.archive.org/web/20121009110518/http://game.watch.impress.co.jp/docs/20040925/xbox3.htm | url-status = live }}{{cite web | author = Chris Carle | title = TGS 2004: Ninja Gaiden Master Tournament World Championship | website = IGN | date = 2004-09-25 | url = http://xbox.ign.com/articles/551/551186p1.html | archive-url = https://web.archive.org/web/20040926010653/http://xbox.ign.com/articles/551/551186p1.html | url-status = dead | archive-date = September 26, 2004 | access-date = 2007-08-21}}

The tournaments were not without controversy. Players complained about Microsoft's tardiness in posting the official rules for the first playoff, and it was believed that the top posted score was not achievable by fair means.{{cite journal | author = Xbox Nation staff | title = Ninja Nation | journal = Xbox Nation | page = 28 | publisher = Ziff Davis | location = California, United States | issn = 1538-9723 | date = August 2004 | url = http://www.xbox-hq.com/html/modules.php?name=News&file=print&sid=1080 | access-date = 2007-09-05 | archive-date = 2007-09-28 | archive-url = https://web.archive.org/web/20070928073825/http://www.xbox-hq.com/html/modules.php?name=News&file=print&sid=1080 | url-status = live }} Officials, however, stated that the score was possible, and allowed the results to stand.{{cite web | author = Hilary Goldstein | title = Master Ninja Tournament Heats Up | website = IGN | date = 2004-05-26 | url = http://xbox.ign.com/articles/519/519150p1.html | archive-url = https://web.archive.org/web/20040614053109/http://xbox.ign.com/articles/519/519150p1.html | url-status = dead | archive-date = June 14, 2004 | access-date = 2007-08-21 }} In the second playoff, Microsoft initially named the runner up as the North American finalist,{{cite news | author = César Berardini | title = Master Ninja Tournament Finals Details | publisher = TeamXbox | date = 2004-09-15 | url = http://news.teamxbox.com/xbox/6768/Master-Ninja-Tournament-Finals-Details/ | access-date = 2007-08-21 | archive-date = 2008-02-06 | archive-url = https://web.archive.org/web/20080206160717/http://news.teamxbox.com/xbox/6768/Master-Ninja-Tournament-Finals-Details/ | url-status = live }} after disqualifying the winner for no publicly stated reason, but eventually had to send the second runner up to Tokyo when the first was unable to produce a passport in time.{{cite web | url = http://gamez.itmedia.co.jp/games/tgs/2004/news/040925/07/index.html | title = Master Ninja Tournament 世界決勝戦 勝者は!? | access-date = 2008-03-25 | author = Softbank Games staff | publisher = Softbank Games | date = 2004-09-25 | language = ja | archive-date = 2011-07-21 | archive-url = https://web.archive.org/web/20110721222631/http://gamez.itmedia.co.jp/games/tgs/2004/news/040925/07/index.html | url-status = live }}

Master Ninja Tournament 3 started on September 27 and lasted 26 days. Rankings were decided by scores obtained while playing Hurricane Pack 2, and the prizes were Tecmo apparel and Team Ninja games.{{cite press release | title = Tecmo Announces Third and Final Master Ninja Tournament, Hurricane Pack: Volume II | publisher = GameSpot | date = 2004-09-24 | url = http://www.gamespot.com/xbox/action/ninjagaiden/news.html?sid=6108698&mode=press | access-date = 2008-01-27 | archive-date = 2011-06-29 | archive-url = https://web.archive.org/web/20110629004906/http://www.gamespot.com/xbox/action/ninjagaiden/news.html?sid=6108698&mode=press | url-status = live }} This marked the end of official tournaments for Ninja Gaiden, although Microsoft have retained the ranking boards for players to upload their scores. {{Clear}}

Tecmo has built up a line of merchandise around the Ninja Gaiden name. Its online shop carries apparel and accessories such as caps, wristbands, T-shirts, key holders, and mugs. Most of the merchandise is based on that associated with the various Ninja Gaiden game launches or given as prizes in the Master Ninja Tournaments.{{cite web | author = Justin Calvert | title = Tecmo releases Ninja Gaiden merchandise | website = GameSpot | date = 2003-12-19 | url = http://www.gamespot.com/news/6085935.html | access-date = 2008-05-03 | archive-date = 2011-06-29 | archive-url = https://web.archive.org/web/20110629004930/http://www.gamespot.com/news/6085935.html | url-status = live }}{{cite press release | title = Tecmo Announces Free Retro T-Shirt As Ninja Gaiden Black Pre-Order Incentive | publisher = Tecmo | date = 2005-09-01 | url = http://64.78.9.175/press.asp?id=18 | access-date = 2007-08-23 | archive-date = 2007-09-28 | archive-url = https://web.archive.org/web/20070928020556/http://64.78.9.175/press.asp?id=18 | url-status = live }}{{cite web | author = Jack DeVries | title = Ottsel's Blog—In-game reservation gifts: Completely worthless | website = IGN | date = 2007-07-05 | url = http://blogs.ign.com/Ottsel/2007/07/05/59292/ | archive-url = https://web.archive.org/web/20090101091043/http://blogs.ign.com/Ottsel/2007/07/05/59292/ | url-status = dead | archive-date = January 1, 2009 | access-date = 2008-05-03 }} Tecmo also published the original soundtrack of the game under their record label Wake Up on March 20, 2004. Kotobukiya, a figurine maker, includes 1/6 scale plastic figurines of Ninja Gaiden characters in their range of products. As of 2007, they have produced figures of Ryu, Ayane, Kureha and Rachel.{{cite web | author = Kotobukiya USA staff | title = Ninja Gaiden ARTFX Statues | publisher = Kotobukiya USA | date = n.d. | url = http://www.kotous.com/video-games/ninja-gaiden.php | archive-url = https://web.archive.org/web/20070105013802/http://www.kotous.com/video-games/ninja-gaiden.php | access-date = 2007-08-27 |archive-date = 2007-01-05}}

Tecmo published two additional versions of Ninja Gaiden: Ninja Gaiden Black for Xbox and Ninja Gaiden Sigma for PlayStation 3. Essentially the same game as the original, they tell the same story of Ryu and the Dark Dragon Blade but include additional content and updated game mechanics. Although Itagaki deemed Black to be the final version of Ninja Gaiden, Tecmo subsequently ported the game to the PlayStation 3 as Sigma.

In addition to the narrative Story Mode, Black and Sigma introduced a gameplay variation called Mission Mode. Focused on action rather than character development, this provides combat-based missions set mainly in small areas, where the player's goal is to "destroy all enemies".{{cite web | author = Greg Kasavin | title = Ninja Gaiden Black for Xbox Review | website = GameSpot | date = 2005-09-20 | url = http://www.gamespot.com/xbox/action/ninjagaidenblack/review.html | access-date = 2007-08-21 | archive-date = 2007-08-08 | archive-url = https://web.archive.org/web/20070808180057/http://www.gamespot.com/xbox/action/ninjagaidenblack/review.html | url-status = live }} In both Story and Mission modes, game scoring is based on the player's speed in clearing encounters, the number of kills achieved, the number of unused ninpo spells remaining at the end, and the amount of cash collected. Players can compare their scores on online ranking boards.{{cite web | author = Will Freeman | title = Ninja Gaiden Sigma Review | publisher = Pro-G | date = 2007-07-10 | url = http://www.videogamer.com/ps3/ninja_gaiden_sigma/review.html | access-date = 2008-02-03 | archive-date = 2008-07-08 | archive-url = https://web.archive.org/web/20080708223430/http://www.videogamer.com/ps3/ninja_gaiden_sigma/review.html | url-status = live }}

Tecmo announced at E3 2005 that Team Ninja was working on Ninja Gaiden Black,{{cite web | author = Douglass C. Perry | title = E3 2005: Ninja Gaiden Black is Beautiful | website = IGN | date = 2005-05-20 | url = http://xbox.ign.com/articles/618/618262p1.html | archive-url = https://web.archive.org/web/20050525154237/http://xbox.ign.com/articles/618/618262p1.html | url-status = dead | archive-date = May 25, 2005 | access-date = 2008-05-11}} and later exhibited a working version of the game at the TGS 2005.{{cite news | author = Famitsu staff | title = 【ブース】『DOA4』の美麗映像に驚け！ テクモブースは例年以上の大混雑ぶり!! | publisher = Famitsu | date = 2005-09-17 | url = http://www.famitsu.com/game/event/2005/09/14/264,1126670828,43352,0,0.html | language = ja | access-date = 2008-05-04 | archive-date = 2008-06-12 | archive-url = https://web.archive.org/web/20080612001913/http://www.famitsu.com/game/event/2005/09/14/264,1126670828,43352,0,0.html | url-status = live }} Black is a reworked compilation of the original Ninja Gaiden and the two Hurricane Packs. The game features new foes, such as exploding bats and doppelgänger fiends who can imitate Ryu.{{cite web | title = Reviews: Ninja Gaiden Black | website = 1UP.com | date = 2005-09-16 | url = http://www.1up.com/do/reviewPage?cId=3143860 | access-date = 2008-03-21 | archive-date = 2007-09-27 | archive-url = https://web.archive.org/web/20070927213240/http://www.1up.com/do/reviewPage?cId=3143860 | url-status = live }} It contains more costumes than the original, and swaps Ninja Gaiden's [https://web.archive.org/web/20170331090954/https://en.wikipedia.org/wiki/Unlockable_games unlockable NES games] for an arcade version.{{cite web | author = Rob Semsey | title = Ninja Gaiden: Black Hands-On | publisher = TeamXbox | date = 2005-08-10 | url = http://previews.teamxbox.com/xbox/1143/Ninja-Gaiden-BLACK/p1/ | access-date = 2007-08-21 | archive-date = 2007-08-14 | archive-url = https://web.archive.org/web/20070814172459/http://previews.teamxbox.com/xbox/1143/Ninja-Gaiden-BLACK/p1/ | url-status = live }}

One key feature of this version is its two new difficulty settings—the easy Ninja Dog and the very hard Master Ninja. Itagaki added Ninja Dog after receiving complaints of Ninja Gaiden being too hard in its default incarnation,{{cite web | author = James Mielke | title = Ninja Gaiden Black from 1UP.com | website = 1UP.com | date = 2005-05-13 | url = http://www.1up.com/do/feature?pager.offset=0&cId=3140456 | access-date = 2007-08-21 | archive-url = https://web.archive.org/web/20160321211741/http://www.1up.com/do/feature?pager.offset=0&cId=3140456 | archive-date = 2016-03-21 | url-status = dead }} although he believed that, with persistence, any player was capable of completing the game.{{cite web | author = 1UP.com staff | title = Previews: Ninja Gaiden | website = 1UP.com | date = 2004-09-05 | url = http://www.1up.com/do/previewPage?cId=3061511 | access-date = 2007-09-23}} Hence he ensured that those players selecting Ninja Dog would be subjected to gentle mockery by the game—players on this difficulty setting receive colored ribbons as accessories, and Ayane treats Ryu as an inferior. In compensation, Itagaki made the other difficulty settings harder than in Ninja Gaiden. Another feature of Black is its Mission Mode, which comprises 50 combat missions, one of which is adapted from the custom game designed for the Ninja Gaiden Master Tournament World Championship final. The last five missions are based on those in Hurricane Pack 2 and form a linked series known as "Eternal Legend". While most of the improvements made in the Hurricane Packs carried forward through this game, including the camera system tweaks and new boss battles, the Intercept maneuver, introduced in Hurricane Pack 1, was not included in Black, adding to its increased challenge.

Ninja Gaiden Black was also available through Xbox's Game Pass for Xbox One, but was removed in September 2019. Ninja Gaiden Black is also enhanced for the Xbox One X console, which improves the game's resolution to 4K UHD-levels.

In 2006, Tecmo and Sony announced the development of Ninja Gaiden Sigma for the PlayStation 3.{{cite magazine | author = Andy Robinson | title = Ninja Gaiden pulls a flying kick on PS3 | magazine = Computer and Video Games | date = 2006-09-20 | url = http://www.computerandvideogames.com/article.php?id=146205 | access-date = 2007-08-21 | archive-date = 2007-10-13 | archive-url = https://web.archive.org/web/20071013204023/http://computerandvideogames.com/article.php?id=146205 | url-status = live }}{{cite web | author = Tim Surette | author2 = Brendan Sinclair | title = TGS 06: Gaiden, Shirokishi lead new PS3 game charge | website = GameSpot | date = 2006-09-21 | url = http://www.gamespot.com/events/tgs2006/story.html?sid=6158162&pid=935677 | access-date = 2008-05-04 | archive-date = 2011-06-29 | archive-url = https://web.archive.org/web/20110629004915/http://www.gamespot.com/events/tgs2006/story.html?sid=6158162&pid=935677 | url-status = live }} Eidos obtained the European publishing rights for this game.{{cite magazine | author = Andy Robinson | title = Eidos picks up Ninja Gaiden Sigma | magazine = Computer and Video Games | date = 2007-04-18 | url = http://www.computerandvideogames.com/article.php?id=162227 | access-date = 2007-08-21 | archive-date = 2007-10-16 | archive-url = https://web.archive.org/web/20071016075227/http://computerandvideogames.com/article.php?id=162227 | url-status = live }} Itagaki had no direct role in Sigma and judged it a flawed game,{{cite web|author=Jon Wilcox|title=Itagaki: Ninja Gaiden 2 Is My Final Instalment News|publisher=Total Video Games|date=2008-05-13|url=http://www.totalvideogames.com/Ninja-Gaiden-2/news/Itagaki-Ninja-Gaiden-2-Is-My-Final-Instalment-12678.html|access-date=2008-05-14|archive-date=2008-12-31|archive-url=https://web.archive.org/web/20081231025436/http://www.totalvideogames.com/Ninja-Gaiden-2/news/Itagaki-Ninja-Gaiden-2-Is-My-Final-Instalment-12678.html|url-status=dead}} although he acknowledged that Sigma gave PlayStation owners a taste of Ninja Gaiden.{{cite web | author = Anoop Gantayat | title = No Sigma For 360 | website = IGN | date = 2007-06-01 | url = http://xbox360.ign.com/articles/793/793679p1.html | access-date = 2007-08-21 | archive-date = 2007-10-12 | archive-url = https://web.archive.org/web/20071012182810/http://xbox360.ign.com/articles/793/793679p1.html |url-status=live}}

The gameplay for Sigma is very similar to the original version, albeit with some modifications made to the game. Like the original version, the player's movements and combat system are directed using the console gamepad, which comprises the left thumbstick, two attack buttons, and a block button. The game features a large selection of weapons for Ryu to wield each with advantages and disadvantages that affect the way the player approaches combat. A new addition to Ryu's arsenal is a pair of dual-wield swords, Dragon's Claw and Tiger's Fang. It also provides Ryu with magical spells in the form of ninpo, which allows him to inflict heavy damage on enemies while potentially avoiding damage himself. By shaking the Sixaxis controller, players are able to increase the power of their ninpo spells.{{cite web| author = Rob Fahey| title = Ninja Gaiden Sigma| website = Eurogamer| date = 2007-06-16| url = http://www.eurogamer.net/article.php?article_id=77792| access-date = 2008-01-27| archive-date = 2007-08-24| archive-url = https://web.archive.org/web/20070824161740/http://www.eurogamer.net/article.php?article_id=77792| url-status = live}}{{cite book|title=Ninja Gaiden Sigma - PAL version|type=Instruction manual|publisher=Team Ninja/Eidos Interactive|date=July 6, 2007}} Rachel, a non-playable character in the 2004 game, became playable in three new chapters, featuring the new bosses, Gamov and Alterator. Some of the design elements of the old levels was also changed and several new enemy types were introduced.{{cite web | author = Kevin VanOrd | title = Ninja Gaiden Sigma for PlayStation 3 Review | website = GameSpot | date = 2007-07-02 | url = http://www.gamespot.com/ps3/action/ninjagaidensigma/review.html | access-date = 2007-08-21 | archive-date = 2007-09-29 | archive-url = https://web.archive.org/web/20070929155846/http://www.gamespot.com/ps3/action/ninjagaidensigma/review.html | url-status = live }}

In addition to the narrative Story Mode, Sigma included a gameplay variation called Mission Mode. Focused on action rather than character development, this provides combat-based missions set mainly in small areas. In both Story and Mission modes, game scoring is based on the player's speed in clearing encounters, the number of kills achieved, the number of unused ninpos remaining at the end, and the amount of cash collected. Players can compare their scores on online ranking boards. In addition, players have the option to customize the appearance of player characters, with selectable costumes for Ryu and hairstyles for Rachel.

The more powerful hardware of the PlayStation 3 gave Team Ninja the opportunity to overhaul the game graphics to use larger and more detailed textures. Changes were made to the game world, with a few new areas and several additional save points and shops, and alterations to the game engine let players shoot arrows in mid-air, fight on water surfaces, and play as Rachel in some chapters and missions.{{cite web

| author = James Mielke | title = Previews: Ninja Gaiden Sigma | website = 1UP.com | date = 2007-01-12 | url = http://www.1up.com/do/previewPage?cId=3156377 | access-date = 2008-01-27}}{{cite web | author = Gabe Graziani | title = Ninja Gaiden Sigma Preview | website = IGN | date = 2007-05-25 | url = http://ps3.gamespy.com/playstation-3/ninja-gaiden-sigma/792132p1.html | access-date = 2007-09-06 | archive-date = 2007-11-06 | archive-url = https://web.archive.org/web/20071106041129/http://ps3.gamespy.com/playstation-3/ninja-gaiden-sigma/792132p1.html | url-status = live }}

In July 2007, Tecmo released a demo and a new game mode, Survival Mode, for Sigma over the PlayStation Network.{{cite web | author = Anoop Gantayat | title = Ninja Gaiden Sigma Downloadable Content Announced | website = IGN | date = 2007-08-03 | url = http://ps3.ign.com/articles/810/810350p1.html | access-date = 2007-08-21 | archive-date = 2007-08-20 | archive-url = https://web.archive.org/web/20070820004847/http://ps3.ign.com/articles/810/810350p1.html | url-status = live }} The demo limits players to the first chapter of the game, but lets them play as Rachel in a separate mission.{{cite web | author = Richard Leadbetter | title = Ninja Gaiden Sigma | website = Eurogamer | date = 2007-05-02 | url = http://www.eurogamer.net/article.php?article_id=75934 | access-date = 2008-04-21 | archive-date = 2007-08-24 | archive-url = https://web.archive.org/web/20070824165417/http://www.eurogamer.net/article.php?article_id=75934 | url-status = live }} Survival Mode comprises missions in which players keep fighting until they have either killed all their opponents, or their character has been defeated.{{cite web | author = Chris Roper | title = Ninja Gaiden Sigma Expansion Pack Hands-on | website = IGN | date = 2007-09-06 | url = http://ps3.ign.com/articles/818/818522p1.html | access-date = 2007-09-06 | archive-date = 2007-09-09 | archive-url = https://web.archive.org/web/20070909214958/http://ps3.ign.com/articles/818/818522p1.html | url-status = live }}

Ninja Gaiden Sigma Plus is a port of Ninja Gaiden Sigma for the PlayStation Vita released in North America and Europe on February 22, 2012.[http://uk.ign.com/games/ninja-gaiden-sigma/vita-117897 Ninja Gaiden Sigma Plus - PlayStation Vita] {{Webarchive|url=https://web.archive.org/web/20200511150928/http://www.ign.com/games/ninja-gaiden-sigma |date=2020-05-11 }}, IGN Like Ninja Gaiden Black{{'}}s "Ninja Dog" mode, Sigma Plus features an easier difficulty called "Hero" mode, making it more accessible to casual gamers. It also takes advantage of the additional features that the Vita offers, including gyroscopic first-person aiming (by tilting the PlayStation Vita, the player can adjust the camera angle in first-person viewing modes), back touchpad controls (tapping symbols using the rear touchpad will allow Ryu to boost the power of his Ninpo), touch screen controls (players can go into first-person mode by tapping the touch screen). In addition, Ninja Gaiden Sigma Plus offers new sets of accessories that Ryu and Rachel can equip.

{{Clear}}

{{Video game reviews

| title =

| subtitle =

| state =

| align =

| na = true

| PS3 = true

| VITA = true

| XBOX = true

| GR_PS3 = 87%{{cite web |url=https://www.gamerankings.com/ps3/935677-ninja-gaiden-sigma/index.html |title=Ninja Gaiden Sigma for PlayStation 3 |website=GameRankings |publisher=CBS Interactive |access-date=2007-08-21 |archive-date=2009-03-07 |archive-url=https://web.archive.org/web/20090307041913/http://www.gamerankings.com/ps3/935677-ninja-gaiden-sigma/index.html |url-status=live }}

| GR_XBOX = 93%{{cite web |url=https://www.gamerankings.com/xbox/561532-ninja-gaiden/index.html |title=Ninja Gaiden for Xbox |website=GameRankings |publisher=CBS Interactive |access-date=2019-03-19 |archive-date=2019-05-07 |archive-url=https://web.archive.org/web/20190507004800/https://www.gamerankings.com/xbox/561532-ninja-gaiden/index.html |url-status=live }}
(Black) 95%{{cite web |url=https://www.gamerankings.com/xbox/928401-ninja-gaiden-black/index.html |title=Ninja Gaiden Black for Xbox |website=GameRankings |publisher=CBS Interactive |access-date=2019-03-19 |archive-date=2019-02-05 |archive-url=https://web.archive.org/web/20190205202319/https://www.gamerankings.com/xbox/928401-ninja-gaiden-black/index.html |url-status=live }}

| MC_PS3 = 88/100{{cite web |url=https://www.metacritic.com/game/ninja-gaiden-sigma/critic-reviews/?platform=playstation-3 |title=Ninja Gaiden Sigma for PlayStation 3 Reviews |website=Metacritic |publisher=CBS Interactive |access-date=2019-03-19 |archive-date=2019-04-27 |archive-url=https://web.archive.org/web/20190427223641/https://www.metacritic.com/game/playstation-3/ninja-gaiden-sigma |url-status=live }}

| MC_VITA = 72/100{{cite web |url=https://www.metacritic.com/game/ninja-gaiden-sigma/critic-reviews/?platform=playstation-vita |title=Ninja Gaiden Sigma Plus for PlayStation Vita Reviews |website=Metacritic |publisher=CBS Interactive |access-date=2019-03-19 |archive-date=2019-03-10 |archive-url=https://web.archive.org/web/20190310182736/https://www.metacritic.com/game/playstation-vita/ninja-gaiden-sigma-plus |url-status=live }}

| MC_XBOX = 91/100{{cite web |url=https://www.metacritic.com/game/ninja-gaiden-2004/critic-reviews/?platform=xbox |title=Ninja Gaiden for Xbox Reviews |website=Metacritic |publisher=CBS Interactive |access-date=2019-03-19 |archive-date=2019-02-05 |archive-url=https://web.archive.org/web/20190205203109/https://www.metacritic.com/game/xbox/ninja-gaiden |url-status=live }}
(Black) 94/100{{cite web |url=https://www.metacritic.com/game/ninja-gaiden-black/critic-reviews/?platform=xbox |title=Ninja Gaiden Black for Xbox Reviews |website=Metacritic |publisher=CBS Interactive |access-date=2019-03-19 |archive-date=2019-05-05 |archive-url=https://web.archive.org/web/20190505044433/https://www.metacritic.com/game/xbox/ninja-gaiden-black |url-status=live }}

| 1UP_PS3 = A{{cite web |author=Shane Bettenhausen |title=Reviews: Ninja Gaiden Sigma |website=1UP.com |date=2007-07-03 |url=http://www.1up.com/do/reviewPage?cId=3160778 |access-date=2008-03-21 |archive-url=https://web.archive.org/web/20100105214304/http://www.1up.com/do/reviewPage?cId=3160778 |archive-date=2010-01-05 |url-status=dead }}

| 1UP_XBOX = A{{cite web |author=1UP.com staff |title=Reviews: Ninja Gaiden |website=1UP.com |date=2004-05-09 |url=http://www.1up.com/do/reviewPage?cId=3136825 |access-date=2008-03-21 |archive-date=2007-09-27 |archive-url=https://web.archive.org/web/20070927194220/http://www.1up.com/do/reviewPage?cId=3136825 |url-status=live }}
(Black) A+

| EuroG_PS3 = 7/10{{cite web |author=Kristan Reed |title=Ninja Gaiden Sigma |website=Eurogamer |date=2007-07-06 |url=http://www.eurogamer.net/articles/ninja-gaiden-sigma-review |access-date=2007-08-21 |archive-date=2009-01-22 |archive-url=https://web.archive.org/web/20090122181659/http://www.eurogamer.net/articles/ninja-gaiden-sigma-review |url-status=live }}

| EuroG_XBOX = 9/10

| GamePro_PS3 = 4.75{{cite magazine |author=The Watcher |title=Review: Ninja Gaiden Sigma |magazine=GamePro |date=2007-07-03 |url=http://www.gamepro.com/article/reviews/119949/ninja-gaiden-sigma/ |access-date = 2007-08-21|archive-url=https://web.archive.org/web/20080921215907/http://www.gamepro.com/article/reviews/119949/ninja-gaiden-sigma/|archive-date=2008-09-21}}

| GamePro_XBOX = 5/5{{cite magazine |author=TokyoDrifter |title=Review: Ninja Gaiden |magazine=GamePro |date=2004-03-01 |url=http://www.gamepro.com/article/reviews/33850/ninja-gaiden/ |access-date=2007-08-21|archive-url=https://web.archive.org/web/20081230183213/http://www.gamepro.com/article/reviews/33850/ninja-gaiden/|archive-date=2008-12-30}}
(Black) 5/5{{cite magazine |author=JohnnyK |title=Review: Ninja Gaiden: Black |magazine=GamePro |date=2005-09-21 |url=http://www.gamepro.com/article/reviews/48545/ninja-gaiden-black/ |access-date=2007-08-21|archive-url=https://web.archive.org/web/20080915180016/http://www.gamepro.com/article/reviews/48545/ninja-gaiden-black/|archive-date=2008-09-15}}

| GSpot_PS3 = 9.0/10

| GSpot_XBOX = 9.4/10
(Black) 9.4/10

| IGN_PS3 = 9.3/10 (US){{cite web |author=Chris Roper |title=Ninja Gaiden Sigma Review |website=IGN |date=2007-06-29 |url=http://ps3.ign.com/articles/800/800565p1.html |access-date=2007-08-21 |archive-date=2007-08-21 |archive-url=https://web.archive.org/web/20070821021227/http://ps3.ign.com/articles/800/800565p1.html |url-status=live }}
8.8/10 (AU){{cite web | author = Patrick Kolan | title = Ninja Gaiden Sigma AU Review | website = IGN | date = 2007-07-04 | url = http://ps3.ign.com/articles/801/801548p1.html | access-date = 2007-08-21 | archive-date = 2007-08-24 | archive-url = https://web.archive.org/web/20070824235529/http://ps3.ign.com/articles/801/801548p1.html | url-status = live }}

| IGN_XBOX = 9.4/10
(Black) 9.4/10{{cite web |author=Erik Brudvig |title=Ninja Gaiden Black Review |website=IGN |date=2005-09-19 |url=http://xbox.ign.com/articles/652/652102p1.html |archive-url=https://web.archive.org/web/20051017130755/http://xbox.ign.com/articles/652/652102p1.html |url-status=dead |archive-date=October 17, 2005 |access-date=2007-08-21}}

| VG_XBOX = 9/10{{cite web |author=Struan Robertson |title=Ninja Gaiden Review |publisher=Pro-G |date=2004-11-11 |url=http://www.videogamer.com/xbox/ninja_gaiden/review.html |access-date=2008-02-03 |archive-date=2008-09-07 |archive-url=https://web.archive.org/web/20080907030222/http://www.videogamer.com/xbox/ninja_gaiden/review.html |url-status=live }}

| VG_PS3 = 8/10

| award1Pub = IGN

| award1 = Best Xbox Action Game 2004{{cite web |author=IGN staff |title=IGN Xbox Best of 2004 Awards |website=IGN |date=2005-01-16 |url=http://bestof.ign.com/2004/xbox/ |archive-url=https://web.archive.org/web/20041217040442/http://bestof.ign.com/2004/xbox/ |url-status=dead |archive-date=December 17, 2004 |access-date=2007-09-05}}
Best Xbox Downloadable Content 2004
(Black) Best Xbox Action game 2005{{cite web |author=IGN staff |title=IGN Xbox Best of 2005 Awards |website=IGN |date=2005-01-16 |url=http://bestof.ign.com/2005/xbox/1.html |archive-url=https://web.archive.org/web/20051223155929/http://bestof.ign.com/2005/xbox/1.html |url-status=dead |archive-date=December 23, 2005 |access-date=2007-09-05}}

| award2Pub = X-Play

| award2 = Best Action/Adventure Game 2004{{cite episode |title=X-Play's Best of 2004! |series=X-Play |series-link=X-Play |credits=Adam Sessler (co-host), Morgan Webb (co-host) |network=G4 |airdate=2005-01-26 |number=5006 }}

| award3Pub = EGM

| award3 = Xbox Game of the Year 2004{{cite press release |title= Electronic Gaming Monthly and Computer Gaming World Announce the Best Games of 2004 |publisher=Ziff Davis |date=2005-02-08 |url=http://www.ziffdavis.com/press/releases/050208.0.html |access-date=2008-04-12 |archive-url=https://web.archive.org/web/20110722100636/http://www.ziffdavis.com/press/releases/050208.0.html |archive-date=2011-07-22}}

| award4Pub = GameSpot

| award4 = (Black) Best Xbox game 2005{{cite web |title=GameSpot's Best of 2005—Platform Awards |website=GameSpot |date=2006-01-23 |url=http://www.gamespot.com/pages/features/bestof2005/index.php?day=5&page=6 |access-date=2007-09-05 |archive-date=2007-09-30 |archive-url=https://web.archive.org/web/20070930233747/http://www.gamespot.com/pages/features/bestof2005/index.php?day=5&page=6 |url-status=live }}

| award5Pub = TeamXbox

| award5 = (Black) Best Xbox Action Game 2005{{cite web |author=TeamXbox staff |title=TeamXbox.com Game of the Year Awards 2005 |publisher=TeamXbox |date=2005-12-22 |url=http://features.teamxbox.com/xbox/1421/TeamXboxcom-Game-of-the-Year-Awards-2005/p1/ |access-date=2007-09-05 |archive-url=https://web.archive.org/web/20071224042938/http://features.teamxbox.com/xbox/1421/TeamXboxcom-Game-of-the-Year-Awards-2005/p1/ |archive-date=2007-12-24 |url-status=dead }}

}}

Ninja Gaiden was released to critical acclaim. Greg Kasavin of GameSpot called it "one of the best most challenging action adventure games ever made", and his publication named it the best Xbox game of February 2004.{{cite web | archive-url=https://web.archive.org/web/20040904091730/http://www.gamespot.com/features/6090209/index.html | url=http://www.gamespot.com/features/6090209/index.html | title=GameSpot{{'}}s Month in Review for February 2004 | date=March 2, 2004 | work=GameSpot | archive-date=September 4, 2004 | url-status=dead }} IGN's Erik Brudvig said that it "sets a new standard for third-person action games in terms of length, depth, speed, and gore", while Electronic Gaming Monthly (EGM) called it "an unmissable instant classic", and declared that "no Xbox should go without [Ninja] Gaiden."{{cite magazine | archive-url=https://web.archive.org/web/20040611034211/http://www.egmmag.com/article2/0,2053,1567804,00.asp | url=http://www.egmmag.com/article2/0,2053,1567804,00.asp | archive-date=June 11, 2004 | date=April 14 – May 1, 2004 | title=More like...Ninja Goddamn! | magazine=Electronic Gaming Monthly | author1=Bettenhausen, Shane | author2=Elliot, Shawn | author3=Johnston, Chris | access-date=April 14, 2010 | url-status=live | df=mdy-all }} Critics also regarded it to be one of the most difficult games released prior to 2007.{{cite web |author=Danny Cowan |title=Critical Reception: Tecmo/Team Ninja's Ninja Gaiden Sigma |website=Gamasutra |date=2007-07-04 |url=http://previews.teamxbox.com/xbox/1143/Ninja-Gaiden-BLACK/p1/ |access-date=2007-12-13 |archive-date=2008-01-12 |archive-url=https://web.archive.org/web/20080112063240/http://previews.teamxbox.com/xbox/1143/Ninja-Gaiden-BLACK/p1/ |url-status=live }}{{cite web |author=Rob Semsey |title=Ninja Gaiden: Black Hands-On |publisher=TeamXbox |date=2005-08-10 |url=http://previews.teamxbox.com/xbox/1143/Ninja-Gaiden-BLACK/p1/ |access-date=2007-12-13 |archive-date=2008-01-12 |archive-url=https://web.archive.org/web/20080112063240/http://previews.teamxbox.com/xbox/1143/Ninja-Gaiden-BLACK/p1/ |url-status=live }} The game received a runner-up position in GameSpot's 2004 "Best Action Adventure Game" category across all platforms.{{cite web | archive-url=https://web.archive.org/web/20050307021607/http://www.gamespot.com/gamespot/features/all/bestof2004/ | url=http://www.gamespot.com/gamespot/features/all/bestof2004/ | title=Best and Worst of 2004 | date=January 5, 2005 | work=GameSpot | archive-date=March 7, 2005 | url-status=dead }}

Its enhanced version, Ninja Gaiden Black, also impressed reviewers. GameSpot noted that it had the best visual and audio presentation on the Xbox and praised its new Mission Mode for "[distilling] the game down to its purest essentials." IGN called its release "a rare and welcome day", which brought their "excitement levels back to the first time [they] played the game."

Consumers purchased 1.5 million copies of Ninja Gaiden and Black by August 2007,{{cite news | author = Kotaro Tsunetomi | title=Bloomberg Politics - Bloomberg | script-title=ja:テクモが急騰、業績予想を増額－「ＮＩＮＪＡ ＧＡＩＤＥＮ」好調 | publisher = Bloomberg Japan | date = 2007-07-06 | url = https://www.bloomberg.com/apps/news?pid=90001002&sid=azaEyzbR0k7w&refer=jp_home | archive-url=https://web.archive.org/web/20070930064738/https://www.bloomberg.com/apps/news?pid=90001002&sid=azaEyzbR0k7w&refer=jp_home | access-date = 2007-09-02 | archive-date=2007-09-30 | language = ja}} with the bulk of these sales going to North America and Europe. According to the NPD Group, in its first month Ninja Gaiden sold 362,441 copies in the United States.{{cite journal | author = NPD Tech | date = March 2004 | title = NPD US Sales Data | publisher = NPD Group | location = New York, United States | url = http://www.3dnews.ru/games/games-weekly-27042004/index2.htm | access-date = 2008-02-03 | archive-date = 2008-06-09 | archive-url = https://web.archive.org/web/20080609025543/http://www.3dnews.ru/games/games-weekly-27042004/index2.htm | url-status = live }}{{cite journal | author = NPD Group | date = June 2007 | title = NPD US Sales Data | publisher = NPD Group | location = New York, United States | url = http://www.cubed3.com/news/8201 | access-date = 2008-02-03 | archive-date = 2011-07-08 | archive-url = https://web.archive.org/web/20110708212806/http://www.cubed3.com/news/8201 | url-status = live }} By August 2006, Ninja Gaiden had sold 550,000 copies and earned $27 million in that country. Between January 2000 and August 2006, it was the 100th highest-selling game launched for the PlayStation 2, Xbox or GameCube consoles in the United States. Combined sales of Ninja Gaiden and Black reached 800,000 units in the United States by August 2006.{{cite web|archive-url=https://web.archive.org/web/20071028115051/http://www.next-gen.biz/index2.php?option=com_content&task=view&id=3537&Itemid=2&pop=1&page=1 |url=http://www.next-gen.biz/index2.php?option=com_content&task=view&id=3537&Itemid=2&pop=1&page=1 |title=The Top 100 Games of the 21st Century|author1=Campbell, Colin |author2=Keiser, Joe | date=July 29, 2006 |work=Next Generation |archive-date=October 28, 2007 |url-status=dead }} These sales figures reflect Tecmo's decision to target the non-Japanese market. Japanese gamers were not particularly excited—according to Itagaki, only 60,000 copies of Ninja Gaiden were sold in Japan in the four months following its release. The critical and commercial success of Ninja Gaiden have led CNET and GameSpot Asia to induct the game into their halls of fame.{{cite web | author = David Rudden | title = Gaming hall of fame: the Xbox's best game | publisher = CNet | date = 2006-06-16 | url = http://reviews.cnet.com/4321-9582_7-6509238.html | access-date = 2007-09-05 | archive-date = 2007-05-29 | archive-url = https://web.archive.org/web/20070529015255/http://reviews.cnet.com/4321-9582_7-6509238.html | url-status = live }}{{cite web | author = GameSpot Asia staff | title = Editor's Choice Hall of Fame | website = GameSpot | date = 2004-04-23 | url = http://www.gamespotasia.com/pcgames/features/story/0,2000006896,30076524,00.htm | archive-url = https://web.archive.org/web/20050406025443/http://www.gamespotasia.com/pcgames/features/story/0,2000006896,30076524,00.htm | archive-date = 2005-04-06 | access-date = 2008-02-03 | url-status = live }}

Ninja Gaiden Sigma sold 46,307 units in the first week of its release in Japan, making it the third highest selling game during that period.{{cite web|title=Simple 2000: The Japanese Software Chart|website=Kotaku|url=http://kotaku.com/gaming/media-create/simple-2000-the-japanese-software-chart-270787.php|access-date=2011-07-31|archive-date=2011-01-04|archive-url=https://web.archive.org/web/20110104093632/http://kotaku.com/gaming/media-create/simple-2000-the-japanese-software-chart-270787.php|url-status=live}} According to the NPD Group, in its first month Sigma sold 63,637 copies in the United States.{{cite journal | author = NPD Group | date = June 2007 | title = NPD US Sales Data | publisher = NPD Group | location = New York, United States | url = http://www.cubed3.com/news/8201 | access-date = 2008-02-03 | archive-date = 2011-07-08 | archive-url = https://web.archive.org/web/20110708212806/http://www.cubed3.com/news/8201 | url-status = live }} Next Generation reported that as of April 2008, 470,000 copies of Sigma have been sold in Europe and North America.{{cite web | author = Next Generation staff | title = The Top 100 Selling Games of the Last 12 Months | publisher = Next Generation Magazine | date = 2008-04-09 | url = http://www.edge-online.com/index.php?option=com_content&task=view&id=9639&Itemid=2 | access-date = 2008-04-10}} Tecmo announced that they have sold 500,000 units worldwide.{{cite web |author=Vincent |title=450,000 Ninja Gaiden dans le monde |language=fr |publisher=PlayFrance |date=2007-07-07 |url=http://www.playfrance.com/news-infos-450-000-ninja-gaiden-dans-le-monde-631141.html |access-date=2011-07-31 |archive-date=2011-07-18 |archive-url=https://web.archive.org/web/20110718102507/http://www.playfrance.com/news-infos-450-000-ninja-gaiden-dans-le-monde-631141.html |url-status=live }}

Like Ninja Gaiden and Ninja Gaiden Black, Ninja Gaiden Sigma has received positive reviews, currently holding an average score of 87% at GameRankings and 88/100 at Metacritic, based on 58 and 46 reviews respectively. Critics varied in their views on the technical aspects of Ninja Gaiden Sigma. Although the gaming site 1UP.com called the updated graphics "a gorgeous reworking of the modern ninja classic," Pro-G said that they were average by next-generation standards and showed occasional "tearing, jagged edges, and mismatched collision between bloodstains and walls."{{cite web | author = Will Freeman | title = Ninja Gaiden Sigma Review | publisher = Pro-G | date = 2007-07-10 | url = http://www.videogamer.com/ps3/ninja_gaiden_sigma/review.html | access-date = 2008-02-03 | archive-date = 2008-07-08 | archive-url = https://web.archive.org/web/20080708223430/http://www.videogamer.com/ps3/ninja_gaiden_sigma/review.html | url-status = live }}

The Ninja Gaiden games gained a reputation throughout the gaming community for their difficulty and attention to detail.{{cite journal | author = Ray Huling | date = October 2007 | title = Ninja Playground | journal = The Brooklyn Rail | url = http://brooklynrail.org/2007/10/streets/ninja-playground | access-date = 2007-10-12 | archive-date = 2007-10-14 | archive-url = https://web.archive.org/web/20071014004837/http://brooklynrail.org/2007/10/streets/ninja-playground | url-status = live }} Although they appealed to gamers who, like Pro-G's Struan Robertson, wanted a "bloody hard, but also bloody good" challenge, it was feared that casual gamers would find the learning curve daunting. IGN warned that gamers with lesser skills might not "get as much out of this game as others due to [its] incredible difficulty", and Edge commented that "Tecmo's refusal to extend any kind of handhold to less dedicated players is simply a failure of design, not a badge of hardcore honour", and "it's impossible to believe they couldn't have found a way to increase the accessibility of the game without undermining the gloriously intractable nature of the challenges it contains."{{cite magazine|url=http://www.next-gen.biz/reviews/ninja-gaiden-review|title=Ninja Gaiden Review|author=Edge staff|access-date=16 June 2011|date=18 March 2004|magazine=Edge|publisher=Future plc|archive-url=https://web.archive.org/web/20110607035647/http://www.next-gen.biz/reviews/ninja-gaiden-review|archive-date=7 June 2011|url-status=live|df=dmy-all}} EGM found the challenge to be "rewarding" as it "motivates you to actually get better at the game." Clive Thompson focused on Ninja Gaiden in his Slate article examining the motivation for playing difficult games. He contends that extreme levels of challenge can be initially very frustrating and may cause a game to be abandoned in disgust. However, where a game also rewards a player's perseverance by teaching the skills required to overcome its challenges, that player will have the motivation to finish the game. Ninja Gaiden, in his opinion, strikes the correct balance between challenge and reward; completion brings "a sort of exhausted exhilaration, like finally reaching the end of War and Peace."{{cite magazine | author = Clive Thompson | title = Tough Love—Can a video game be too hard? | magazine = Slate | date = 2004-05-06 | url = http://www.slate.com/id/2100116/ | access-date = 2007-09-05 | archive-date = 2009-02-10 | archive-url = https://web.archive.org/web/20090210210016/http://www.slate.com/id/2100116/ | url-status = live }} In 2012, CraveOnline included it on their list of five "badass ninja games", calling it "the pinnacle of action gaming at the time, holding onto that crown for an entire year until God of War released in 2005" and "a true video game classic, and maybe the best ninja game of all time."{{cite web|url=http://www.craveonline.com/gaming/articles/184993-5-badass-ninja-games|title=5 Badass Ninja Games|publisher=CraveOnline|first=Erik|last=Norris|date=2012-03-19|access-date=2012-07-23|archive-date=2012-04-21|archive-url=https://web.archive.org/web/20120421025347/http://www.craveonline.com/gaming/articles/184993-5-badass-ninja-games|url-status=dead}} That same year, G4tv ranked it as the 83rd top video game of all time, also calling it "the best ninja game ever made and one of the all-around hardest."{{Cite web |url=http://www.g4tv.com/videos/59177/top-100-video-games-of-all-time-83-ninja-gaiden/ |title=Top 100 Video Games of All Time #83 - Ninja Gaiden – G4tv.com |access-date=2012-12-14 |archive-date=2013-03-10 |archive-url=https://web.archive.org/web/20130310120432/http://www.g4tv.com/videos/59177/top-100-video-games-of-all-time-83-ninja-gaiden/ |url-status=dead }}

From a technical point of view, critics regarded Ninja Gaiden and Black as the best of the available Xbox software at the time; the console hardware had been pushed to its limits without showing significant drops in performance. Game Spot's Kasavin was impressed with their "first-rate presentation" and said that no other games at that time came close in visuals and audio. According to IGN, the games could "make [them] momentarily forget about the next generation of consoles". Both Ninja Gaiden and Black were top-sellers, which led to them being compatible with the Xbox 360 for all regions on the new platform's release.{{cite web | author = Tor Thorsen | title = 360 to play 200-plus Xbox games | website = GameSpot | date = 2005-11-11 | url = http://www.gamespot.com/xbox/action/halo2/news.html?sid=6139702 | access-date = 2007-08-21 | archive-date = 2007-09-30 | archive-url = https://web.archive.org/web/20070930041029/http://www.gamespot.com/xbox/action/halo2/news.html?sid=6139702 | url-status = live }}{{cite web | author = Hirohiko Niizumi | title = Xbox 360 backward compatibility lacking in Japan | website = GameSpot | date = 2005-11-16 | url = http://www.gamespot.com/xbox/action/ninjagaidenblack/news.html?sid=6139921 | access-date = 2007-08-21 | archive-date = 2007-08-13 | archive-url = https://web.archive.org/web/20070813084521/http://www.gamespot.com/xbox/action/ninjagaidenblack/news.html?sid=6139921 | url-status = live }}{{cite web | author = Brendan Sinclair | title = European 360 backward compatibility detailed | website = GameSpot | date = 2005-11-17 | url = http://www.gamespot.com/xbox/action/halo2/news_6140002.html | access-date = 2008-02-03 | archive-date = 2011-06-29 | archive-url = https://web.archive.org/web/20110629005142/http://www.gamespot.com/xbox/action/halo2/news_6140002.html | url-status = live }} Ninja Gaiden attracted criticism for the way on-screen action is framed by the game's camera. The default camera system centers the action on Ryu and his surroundings, but reviewers were frustrated by occasions when the camera locked on to part of the scenery, thus losing track of Ryu. Tecmo attempted to address this with the introduction of manual camera controls in the Hurricane Packs, and most critics judged that either the camera frame was usually acceptable, or that Ninja Gaiden was a good enough game that its flaws could be overlooked.

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{{Reflist|colwidth=30em}}

{{Good article}}

• [https://web.archive.org/web/20070801013433/http://64.78.9.175/games.asp?id=2 Official website] (archived)
• [http://www.mobygames.com/game/ninja-gaiden- Ninja Gaiden] at MobyGames

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