:Hollow Knight

File:Hollow Knight PC gameplay screenshot.jpg, the False Knight|alt=The player character fights the boss enemy False Knight. The full Soul Vessel appears in the top-left corner. To its right, on top, there is only one Ancient Mask (health) remaining. Below the Ancient Mask, the amount of Geo currency is shown.]]

Hollow Knight is a 2D side-scrolling Metroidvania.{{Cite web |last=Walker |first=John |date=2017-03-02 |title=Hollow Knight feels too familiar, despite being a solid metroidvania |url=https://www.rockpapershotgun.com/2017/03/02/hollow-knight-review/\ |url-status=live |archive-url=https://web.archive.org/web/20170812094620/https://www.rockpapershotgun.com/2017/03/02/hollow-knight-review/ |archive-date=2017-08-12 |access-date=2022-05-28 |website=rockpapershotgun}} The player controls a silent insectoid protagonist called "the Knight" who explores an underground fallen kingdom called Hallownest. The Knight can strike enemies with a sword-like weapon called a Nail and can learn spells that allow for long-range attacks.

Defeated enemies drop the currency called Geo. The Knight starts with a limited number of hit points, which are represented by masks. Mask Shards can be collected throughout the game to increase the player's maximum number of masks. By striking enemies, the Knight gains Soul, which is stored in the Soul Vessel. If all masks are lost, the Knight dies and a Shade enemy appears where you died. The player loses all Geo and can hold a reduced amount of Soul. Players need to defeat the Shade enemy to recover lost Geo and carry the normal amount of Soul. The game continues from the last visited bench the character sat on, which are scattered throughout the game world and act as save points and places where the player can change their charms. Initially the player can only use Soul to "Focus" and regenerate masks, but as the game progresses, players unlock and collect several offensive spells which consume Soul.{{Cite web|url=https://www.polygon.com/guides/2018/7/20/17581234/hollow-knight-beginners-guide-map-pins-quill-charms-rancid-egg-switch|title=Hollow Knight beginner's guide|date=2018-07-20|access-date=2022-02-16|website=Polygon|last=Venter|first=Jason|archive-url=https://web.archive.org/web/20220217002526/https://www.polygon.com/guides/2018/7/20/17581234/hollow-knight-beginners-guide-map-pins-quill-charms-rancid-egg-switch|archive-date=17 February 2022|url-status=live}} Additional Soul Vessels, used to hold more Soul, can be acquired throughout the game.

Many areas feature more challenging enemies and bosses which the player may need to defeat in order to progress further. Defeating some bosses grants the player access to new abilities. Later in the game, players acquire the Dream Nail, a special item that can access the minds of Hallownest's creatures. Hitting most enemies with the Dream Nail deals no damage but gives the Knight extra Soul compared to hitting them with the regular Nail. It also enables the player to face more challenging versions of a few bosses and to break the seal to the final boss. If the player defeats the final boss, they are given access to a gamemode called "Steel Soul". In this mode, dying is permanent, i.e. if the Knight loses all of their masks, the save slot will be reset.{{Cite web|url=https://gamerant.com/hollow-knight-silksong-steel-silk-soul-challenge-navigation-combat/|title=Hollow Knight: Silksong Should Take Steel Soul Mode to the Next Level With Silk Soul|date=2021-09-25|access-date=2022-02-16|website=Game Rant|last=Rochlin|first=Jason|archive-url=https://web.archive.org/web/20220217002527/https://gamerant.com/hollow-knight-silksong-steel-silk-soul-challenge-navigation-combat/|archive-date=17 February 2022 |url-status=live}}

During the game, the player encounters bug-themed non-player characters (NPCs) with whom they can interact. These characters provide information about the plot and lore, offer aid, and sell items or services. The player can upgrade the Knight's Nail to deal more damage or find Soul Vessels to carry more Soul. Players acquire items that provide movement abilities including an additional mid-air jump (Monarch Wings), adhering to and jumping off walls (Mantis Claw), a quick dash (Mothwing Cloak), and a speedy super dash (Crystal Heart). The player can learn other combat abilities, known as Nail Arts, and spells. To further customise the Knight, players can equip various charms, which can be found or purchased from NPCs. Some of their effects include improved combat abilities or skills, granting more masks with or without the ability to regenerate them with Soul, greater mobility, easier collecting of Geo or Soul, the ability to gain more Geo per enemy, and other transformations to the Knight. Equipping a charm takes up a certain number of limited slots, called notches.

The Kingdom of Hallownest consists of several large, inter-connected areas with unique themes. With its nonlinear gameplay Metroidvania design, Hollow Knight does not bind the player to one path nor require them to explore the whole world; there are places that can be missed when finishing the game, though there are obstacles that limit the player's access to various areas. The player may need to acquire a specific movement ability, skill, or item to progress further.{{Cite book |title=Hollow Knight Game Manual |publisher=Team Cherry |year=2017}} To fast travel through the world, the player can use Stag Stations, terminals connected to a network of tunnels that are traversed via giant stag beetles; players can only travel to previously visited and unlocked stations. Other fast travel methods, such as trams, lifts, and the "Dreamgate", are encountered later.{{Cite web |url=https://www.pcgamer.com/hollow-knights-free-hidden-dreams-update-out-now/ |title=Hollow Knight's free Hidden Dreams update out now |date=2017-08-05 |access-date=2022-05-28 |website=PC Gamer |last=Horti |first=Samuel |archive-url=https://web.archive.org/web/20171021110535/https://www.pcgamer.com/hollow-knights-free-hidden-dreams-update-out-now/ |archive-date=2017-10-21 |url-status=live}}

As the player enters a new area, they do not have access to the map of their surroundings. They must find Cornifer, the cartographer, to buy a rough map.{{efn|Players can also purchase maps from Iselda's shop in Dirtmouth, after locating either Cornifer, or a note he left behind.}} As the player explores an area, the map becomes more accurate and complete if the Quill has been obtained, although it is updated only when sitting on a bench. The player will need to buy specific items to complete maps, to see points of interest, and to place markers. The Knight's position on the map can only be seen if the player has the Wayward Compass charm equipped.

At the outset, the Knight arrives in Dirtmouth, a quiet town that sits just above the remains of the kingdom of Hallownest. As the Knight ventures through the ruins, they learn that Hallownest was once a flourishing kingdom of insects which fell after becoming overrun with "The Infection", a supernatural disease that can infect anyone by entering the subject's dreams and controlling their minds and wills. The Infection gives its subjects heightened strength but at the cost of their civility, causing madness and undeath. Hallownest's ruler, The Pale King, had previously attempted to lock away the Infection in the Temple of the Black Egg. Despite the temple's magical seals, the disease managed to escape, and Hallownest fell into ruin. The Knight's mission is to find and kill three bugs called the Dreamers, who act as the living seals on the temple door. Once the seals have been removed, the Knight may confront the source of the Infection. This quest brings the Knight into conflict with Hornet, a warrior who tests their combat prowess in several battles.

Through dialogue with non-player characters, environmental imagery, and writings scattered throughout Hallownest, the Knight learns the origins of the Infection. In ancient times, a tribe of moths that lived in Hallownest worshipped the Radiance, a primordial being who could control the minds of other bugs. When the Pale King arrived at Hallownest from afar, he used his powers to give sapience and knowledge to the creatures of the realm. The moths soon joined the other bugs of Hallownest in worshipping the Pale King, draining the power of the Radiance as she was slowly forgotten. Beneath the notice of the Pale King, some worship of the Radiance continued, allowing her to remain alive inside the Dream Realm.Team Cherry (3 March 2017) Hollow Knight. "Seer: But the memories of that ancient light still lingered, hush whispers of faith... Until all of Hallownest began to dream of that forgotten light. (Seer NPC talking to Knight)"

Hallownest prospered until the Radiance began appearing in the dreams of its people, poisoning their minds with the Infection. In an attempt to contain the menace, the Pale King used an ancient power called Void to create the Vessels – creatures that could trap the Infection within their own bodies. Due to the Vessels being made from Void, they are considered to not have free will, thus allowing them to not be infected since they cannot dream. The Pale King chose a Vessel known as the Hollow Knight to trap the Radiance, leaving the rest locked in a pit called the Abyss. After the Hollow Knight was locked within the Temple of the Black Egg, the Radiance persisted within the Vessel, weakening the temple's seals and allowing the Infection to escape.

Throughout the game, it is implied that the Knight was a Vessel who managed to escape the Abyss. They gradually defeat the Dreamers and their guardians, removing the seals on the door. Inside, they encounter and battle with the infected Hollow Knight. Depending on the player's actions, multiple endings can then be achieved. These endings include the Knight defeating the infected Hollow Knight and taking its place containing the Radiance, defeating the Hollow Knight with Hornet's assistance, or using the Void Heart item to directly fight and defeat the Radiance inside the Dream Realm.

In the second expansion to Hollow Knight, a "Nightmare Lantern" was added to the Howling Cliffs area. After striking a masked bug with the Dream Nail, the lantern summons a mysterious group of circus performers to Dirtmouth, who identify themselves as the Grimm Troupe. Their leader, Troupe Master Grimm, gives the Knight a quest to collect magic flames throughout Hallownest in order to take part in a "twisted ritual". He gives the player the Grimmchild charm, which absorbs the flames into itself, progressing the ritual and allowing the Grimmchild to attack the Knight's enemies. Eventually, the Knight must choose to either complete the ritual by fighting Grimm and his powerful Nightmare King form, or prevent the ritual and banish the Grimm Troupe with the help of Brumm, a traitorous troupe member.{{Cite web |url=https://teamcherry.com.au/the-grimm-troupe/ |title=The Grimm Troupe Descends! |date=2017-09-14 |access-date=2022-05-28 |website=Team Cherry Blog |archive-url=https://web.archive.org/web/20190427062004/http://teamcherry.com.au/the-grimm-troupe/ |archive-date=2019-04-27 |url-status=live}}

More content was added to Hollow Knight with the fourth and final expansion, Godmaster, in which the Knight can battle harder versions of all of the bosses through a series of challenges. The main hub of the expansion is known as Godhome. Within Godhome are five "pantheons", each being a "boss rush", containing a set of bosses that must all be defeated consecutively without dying. The final pantheon, the Pantheon of Hallownest, contains every boss in the game or alternate forms of original bosses. If the Knight completes the Pantheon of Hallownest, the Absolute Radiance, a more powerful version of the Radiance, appears, acting as the new final boss. Upon defeating it, two unique endings can be achieved, each involving the destruction of Godhome by a powerful Void entity.

The idea that prompted the creation of Hollow Knight originated in a game jam, Ludum Dare 2013, in which two of the game's developers, Ari Gibson and William Pellen, developed a game called Hungry Knight, in which the character that would later become the Knight kills bugs to stave off starvation.{{Cite magazine|url=https://www.gameinformer.com/2018/10/15/the-making-of-hollow-knight|title=The Making Of Hollow Knight|last=Milner|first=David|magazine=Game Informer|language=en|access-date=2020-03-04|archive-url=https://web.archive.org/web/20200406144654/https://www.gameinformer.com/2018/10/16/the-making-of-hollow-knight|archive-date=6 April 2020|url-status=live}} The game, considered "not very good", used to hold a 1/5 star rating on Newgrounds, but has since increased to 4/5.{{Cite web|url=https://www.newgrounds.com/portal/view/643636|title=Hungry Knight!|date=2 August 2014|access-date=23 February 2021|website=Newgrounds|last=Pellen|first=William|archive-date=27 January 2021|archive-url=https://web.archive.org/web/20210127231806/https://www.newgrounds.com/portal/view/643636|url-status=live}} The developers decided to work on another game jam with the theme "Beneath the Surface", but missed the deadline. However, the concept gave them the idea to create a game with an underground setting, a "deep, old kingdom", and insect characters.{{Cite web|url=https://www.rockpapershotgun.com/hollow-knight-concept-art|title=State of the Art: The Elegiac Beauty Of Hollow Knight|date=30 September 2015|access-date=25 May 2022|website=Rock Paper Shotgun|last=Warr|first=Philippa|archive-date=22 April 2022|archive-url=https://web.archive.org/web/20220422050306/https://www.rockpapershotgun.com/hollow-knight-concept-art|url-status=live}}

Influences for the game include Faxanadu, Metroid, Zelda II: The Adventure of Link, and Mega Man X. Team Cherry noted that Hallownest was in some ways the inverse of the world tree setting in Faxanadu. The team wanted to replicate the sense of wonder and discovery of games from their childhood from such games, in which "[t]here could be any crazy secret or weird creature."{{Cite web |url=https://kotaku.com/the-makers-of-hollow-knight-are-fine-with-players-missi-1828721254 |title=The Makers of Hollow Knight Are Fine with Players Missing Things |date=2 September 2018 |access-date=29 January 2019 |archive-url=https://web.archive.org/web/20190129181719/https://kotaku.com/the-makers-of-hollow-knight-are-fine-with-players-missi-1828721254 |archive-date=29 January 2019 |url-status=live }}{{Cite web |title=Kotaku Splitscreen |url=https://player.megaphone.fm/PPY3701296316 |url-status=live |archive-url=https://web.archive.org/web/20190129182227/https://player.megaphone.fm/PPY3701296316 |archive-date=29 January 2019 |access-date=29 January 2019 |website=Kotaku}}

Believing that control of the character was most important for the player's enjoyment of the game, the developers based the Knight's movement on Mega Man X. They gave the character no acceleration when moving horizontally, as well as a large amount of aerial control and the ability to interrupt one's jump with a dash. This was meant to make the player feel that any hit they took could have been avoided right up until the last second.

To create the game's art, Gibson's hand-drawn sketches were scanned directly into the game engine, creating a "vivid sense of place". The developers decided to "keep it simple" in order to prevent the development time from becoming extremely protracted. The complexity of the world was based on Metroid, which allows players to become disoriented and lost, focusing on the enjoyment of finding one's way. Only basic signs are placed throughout the world to direct players to important locations. The largest design challenge was creating the mapping system and finding a balance between not divulging the world's secrets while not being too player-unfriendly.

Hollow Knight was revealed on Kickstarter in November 2014, seeking {{AUD|35,000}}. The game passed this goal, raising more than {{AUD|57,000}} from 2,158 backers, allowing its scope to be expanded and another developer to be hired—technical director David Kazi—as well as composer Christopher Larkin. The game reached a beta state in September 2015 and continued to achieve numerous stretch goals to add in more content after an engine switch from Stencyl to Unity.{{cite web|url=https://www.kickstarter.com/projects/11662585/hollow-knight/posts/1120881|title=Team Cherry is Back! New Year, New Office, New Team Mate, New Engine!|date=30 January 2015|website=Kickstarter|access-date=30 July 2019|archive-url=https://web.archive.org/web/20190730203224/https://www.kickstarter.com/projects/11662585/hollow-knight/posts/1120881|archive-date=30 July 2019|url-status=live}}

Hollow Knight was released for Windows on 24 February 2017, with versions for Linux and macOS being released on 11 April of the same year.{{cite web|url=https://teamcherry.com.au/hollow-knight-mac-debut-delay/|title=Hollow Knight Mac Debut Delay|date=22 February 2017|access-date=23 August 2017|archive-url=https://web.archive.org/web/20170823165620/http://teamcherry.com.au/hollow-knight-mac-debut-delay/|archive-date=23 August 2017|url-status=live}}

The Nintendo Switch version of Hollow Knight was announced in January 2017 and released on 12 June 2018. Team Cherry originally planned to make it available on the Wii U. Development of the Wii U version began in 2016, alongside the PC version, and it eventually shifted to the Nintendo Switch following the Wii U's discontinuation.{{cite news|url=https://www.nintendolife.com/news/2018/01/feature_bugging_out_with_hollow_knights_team_cherry|title=Feature: Bugging Out With Hollow Knight's Team Cherry|last=Cousins|first=Jon|date=21 January 2018|work=Nintendo Life|access-date=26 June 2018|language=en-GB|archive-url=https://web.archive.org/web/20180627005631/http://www.nintendolife.com/news/2018/01/feature_bugging_out_with_hollow_knights_team_cherry|archive-date=27 June 2018|url-status=live}} The creators of Hollow Knight worked with another Australian developer, Shark Jump Studios, to speed up the porting process.{{cite news|url=https://www.destructoid.com/hollow-knight-now-has-a-second-team-to-help-speed-up-the-switch-port-436648.phtml|title=Hollow Knight now has a second team to help speed up the Switch port|last=Devore|first=Jordan|date=17 May 2017|work=Destructoid|access-date=26 June 2018|archive-url=https://web.archive.org/web/20190403015317/https://www.destructoid.com/hollow-knight-now-has-a-second-team-to-help-speed-up-the-switch-port-436648.phtml|archive-date=3 April 2019|url-status=live}} Initially, Team Cherry planned the Switch version to arrive "not too long after the platform's launch"; subsequently they delayed it to early 2018.{{cite news|url=https://www.eurogamer.net/articles/2017-11-14-hollow-knight-on-switch-has-been-delayed-until-early-next-year|title=Hollow Knight on Switch has been delayed until early next year|last=Wales|first=Matt|date=14 November 2018|work=Eurogamer.net|access-date=26 June 2018|language=en|archive-url=https://web.archive.org/web/20180627011006/https://www.eurogamer.net/articles/2017-11-14-hollow-knight-on-switch-has-been-delayed-until-early-next-year|archive-date=27 June 2018|url-status=live}} A release date was not announced until the Nintendo Direct presentation at E3 2018 on 12 June 2018, when it was unveiled the game would be available later that day via Nintendo eShop.{{cite news|url=https://www.eurogamer.net/articles/2018-06-12-hollow-knight-is-out-today-on-switch|title=Hollow Knight is out on Switch today|last=Wales|first=Matt|date=12 June 2018|work=Eurogamer.net|access-date=26 June 2018|language=en|archive-url=https://web.archive.org/web/20180612233913/https://www.eurogamer.net/articles/2018-06-12-hollow-knight-is-out-today-on-switch|archive-date=12 June 2018|url-status=live}}

Versions for PlayStation 4 and Xbox One were released as Hollow Knight: Voidheart Edition on 25 September 2018.{{Cite news|url=https://www.shacknews.com/article/107201/hollow-knight-voidheart-edition-brings-the-action-to-ps4-and-xbox-one-this-month|title=Hollow Knight: Voidheart Edition brings the action to PS4 and Xbox One this month|last=Vincent|first=Brittany|date=11 September 2018|website=Shacknews|access-date=10 April 2022|archive-date=31 October 2020|archive-url=https://web.archive.org/web/20201031095313/https://www.shacknews.com/article/107201/hollow-knight-voidheart-edition-brings-the-action-to-ps4-and-xbox-one-this-month|url-status=live}}

A Hollow Knight Piano Collections sheet music book and album was released in 2019 by video game music label Materia Collective, arranged by David Peacock and performed by Augustine Mayuga Gonzales.{{cite news |last1=Moyse |first1=Chris |date=26 November 2019 |title=Haunting Hollow Knight Piano Collection soundtrack launches this week |publisher=Destructoid |url=https://www.destructoid.com/haunting-hollow-knight-piano-collection-soundtrack-launches-this-week/ |url-status=live |access-date=27 February 2022 |archive-url=https://web.archive.org/web/20220227034249/https://www.destructoid.com/haunting-hollow-knight-piano-collection-soundtrack-launches-this-week/ |archive-date=27 February 2022 |ref=Destructoidpiano}}

On 3 August 2017, the Hidden Dreams downloadable content (DLC) was released, featuring two optional boss encounters, two songs in the soundtrack, a fast travel system, and a Stag Station to discover.{{Cite news|url=https://www.rockpapershotgun.com/2017/08/04/hollow-knight-hidden-dreams/|title=Hidden Dreams free DLC now in Hollow Knight|last=Warr|first=Philippa|date=2017-08-04|website=Rock Paper Shotgun|language=en-US|access-date=2020-03-04|archive-url=https://web.archive.org/web/20200304105240/https://www.rockpapershotgun.com/2017/08/04/hollow-knight-hidden-dreams/|archive-date=4 March 2020|url-status=live}} On 26 October 2017, the second DLC The Grimm Troupe was released, adding major quests, boss fights, charms, enemies, and other content. The update added support for Russian, Portuguese, and Japanese languages.{{cite news|url=https://teamcherry.com.au/the-grimm-troupe/|title=The Grimm Troupe Descends! Backer Rewards! TGS! Cosplay! More!|date=14 September 2017|work=Team Cherry|access-date=26 October 2017|language=en-US|archive-url=https://web.archive.org/web/20171027025040/http://teamcherry.com.au/the-grimm-troupe/|archive-date=27 October 2017|url-status=live}} On 20 April 2018, the "Lifeblood" update was released, bringing various optimisations, changes to the colour palette, bug fixes, minor additions as well as a boss fight.{{cite news|url=https://teamcherry.com.au/hollow-knight-lifeblood-has-launched/|title=Hollow Knight: Lifeblood has launched!|date=20 April 2018|work=Team Cherry|access-date=31 May 2018|language=en-US|archive-url=https://web.archive.org/web/20180527075728/http://teamcherry.com.au/hollow-knight-lifeblood-has-launched/|archive-date=27 May 2018|url-status=live}} On 23 August 2018, the final DLC, Godmaster was released, containing characters, boss fights, music, a game mode called Godseeker as well as two endings.{{cite web|url=https://teamcherry.com.au/godsglory/|title=GODS & GLORY REVEALED! CHRISTMAS WRAP! SWITCHY-STUFF!|date=31 January 2018|website=Team Cherry|access-date=16 February 2018|archive-url=https://web.archive.org/web/20180216143812/http://teamcherry.com.au/godsglory/|archive-date=16 February 2018|url-status=live}} It was renamed from its former title of Gods and Glory due to trademark concerns.{{cite news|url=https://teamcherry.com.au/hollow-knight-gods-glory-is-now-godmaster/|title=Hollow Knight: Gods & Glory is now Godmaster!|date=2018-08-15|work=Team Cherry|access-date=2018-09-09|language=en-US|archive-url=https://web.archive.org/web/20180907135304/http://teamcherry.com.au/hollow-knight-gods-glory-is-now-godmaster/|archive-date=7 September 2018|url-status=live}} All four DLC packs are free.

{{Video game reviews

| MC = PC: 87/100{{cite web |url=https://www.metacritic.com/game/hollow-knight/critic-reviews/?platform=pc |title=Hollow Knight for PC Reviews |website=Metacritic |access-date=27 June 2017 |archive-url=https://web.archive.org/web/20170630192438/http://www.metacritic.com/game/pc/hollow-knight |archive-date=30 June 2017 |url-status=live }}
NS: 90/100{{cite web |url=https://www.metacritic.com/game/hollow-knight/critic-reviews/?platform=nintendo-switch |title=Hollow Knight for Nintendo Switch Reviews |website=Metacritic |access-date=27 June 2018 |df=mdy-all |archive-url=https://web.archive.org/web/20180629053147/http://www.metacritic.com/game/switch/hollow-knight |archive-date=29 June 2018 |url-status=live }}
PS4: 85/100{{cite web |url=https://www.metacritic.com/game/hollow-knight-voidheart-edition/critic-reviews/?platform=playstation-4 |title=Hollow Knight: Voidheart Edition for PlayStation 4 Reviews |website=Metacritic |access-date=26 April 2020 |archive-date=5 July 2020 |archive-url=https://web.archive.org/web/20200705152832/https://www.metacritic.com/game/playstation-4/hollow-knight-voidheart-edition |url-status=live }}
XONE: 89/100{{cite web |url=https://www.metacritic.com/game/hollow-knight-voidheart-edition/critic-reviews/?platform=xbox-one |title=Hollow Knight: Voidheart Edition for Xbox One Reviews |website=Metacritic |access-date=26 April 2020 |archive-date=12 June 2020 |archive-url=https://web.archive.org/web/20200612074315/https://www.metacritic.com/game/xbox-one/hollow-knight-voidheart-edition |url-status=live }}

| Destruct = 10/10{{cite web |last=Whitaker |first=Jed |date=27 March 2017 |url=https://www.destructoid.com/review-hollow-knight-427608.phtml |title=Review: Hollow Knight |website=Destructoid |access-date=27 March 2017 |archive-url=https://web.archive.org/web/20170327223357/https://www.destructoid.com/review-hollow-knight-427608.phtml |archive-date=27 March 2017 |url-status=live }}

| EuroG = Recommended{{cite web |last1=Blake |first1=Vikki |title=Hollow Knight review – a slick, stylish, and super tough Metroidvania |url=https://www.eurogamer.net/articles/2018-06-28-hollow-knight-a-slick-stylish-and-super-tough-metroidvania |website=Eurogamer.net |access-date=28 June 2018 |language=en |date=28 June 2018 |archive-url=https://web.archive.org/web/20180628100442/https://www.eurogamer.net/articles/2018-06-28-hollow-knight-a-slick-stylish-and-super-tough-metroidvania |archive-date=28 June 2018 |url-status=live }}

| IGN = 9.4/10{{cite web |last1=Marks |first1=Tom |title=Hollow Knight Review |url=https://uk.ign.com/articles/2018/06/22/hollow-knight-review |website=IGN |access-date=22 June 2018 |date=21 June 2018 |archive-url=https://web.archive.org/web/20190913213126/https://uk.ign.com/articles/2018/06/22/hollow-knight-review |archive-date=13 September 2019 |url-status=live }}

| NLife = 9/10{{cite web |last1=Mundy |first1=Jon |title=Review: Hollow Knight (Switch eShop) |url=https://www.nintendolife.com/reviews/switch-eshop/hollow_knight |website=Nintendo Life |access-date=22 June 2018 |date=19 June 2018 |archive-url=https://web.archive.org/web/20180622045423/http://www.nintendolife.com/reviews/switch-eshop/hollow_knight |archive-date=22 June 2018 |url-status=live }}

| NWR = 10/10{{cite web |last1=Abou-Nasr |first1=Adam |title=Hollow Knight Review – Review |url=http://www.nintendoworldreport.com/review/47609/hollow-knight-switch-review |website=Nintendo World Report |access-date=24 June 2018 |date=22 June 2018 |archive-url=https://web.archive.org/web/20180624150332/http://www.nintendoworldreport.com/review/47609/hollow-knight-switch-review |archive-date=24 June 2018 |url-status=live }}

| PCGUS = 92/100{{cite magazine |last=Marks |first=Tom |date=10 July 2017 |url=https://www.pcgamer.com/hollow-knight-review/ |title=Hollow Knight review |magazine=PC Gamer |access-date=10 July 2017 |archive-url=https://web.archive.org/web/20170713025733/http://www.pcgamer.com/hollow-knight-review/ |archive-date=13 July 2017 |url-status=live }}

| PCPP = 8/10{{cite web |last1=Forrest |first1=Tavish |title=Review: Hollow Knight |url=https://www.pcpowerplay.com.au/review/hollow-knight,461771 |website=PC PowerPlay Magazine |access-date=23 June 2018 |date=15 May 2017 |archive-url=https://web.archive.org/web/20180623141342/https://www.pcpowerplay.com.au/review/hollow-knight,461771 |archive-date=23 June 2018 |url-status=dead }}

| VG = 8/10{{cite web |last1=Cook |first1=Adam |title=Hollow Knight review |url=https://www.videogamer.com/reviews/hollow-knight-review |website=VideoGamer.com |access-date=27 June 2018 |date=27 June 2018 |archive-url=https://web.archive.org/web/20180628015909/https://www.videogamer.com/reviews/hollow-knight-review |archive-date=28 June 2018 |url-status=live }}

}}

File:Lucca Comics & Games 2019 - Cosplay Hollow Knight.jpg of Hornet and the Knight]]

Hollow Knight{{'}}s PC, PlayStation 4, and Xbox One versions received "generally favorable" reviews and the Nintendo Switch version received "universal acclaim", according to review aggregator website Metacritic. Jed Whitaker of Destructoid praised it as a "masterpiece of gaming" and, on PC Gamer, Tom Marks called it a "new classic". IGN praised Hollow Knight{{'}}s visuals, sound, music, and "a million other details" in building atmosphere.

Critics recognised the combat system as simple and nuanced; they praised its responsiveness, or "tightness", similarly to the movement system. On IGN, Marks stated: "The combat in Hollow Knight is relatively straightforward, but starts out tricky ... It rewards patience and skill massively". In his review on PC Gamer, Marks praised the "brilliant" charm system: "What's so impressive about these charms is that I could never find a 'right' answer when equipping them. There were no wrong choices." Adam Abou-Nasr from NintendoWorldReport stated: "Charms offer a huge variety of upgrades ... removing them felt like trading a part of myself for a better chance at an upcoming battle."

The difficulty of Hollow Knight received attention from reviewers and was described as challenging; Vikki Blake of Eurogamer called the game "ruthlessly tough, even occasionally unfair". For Nintendo World Report{{'}}s Adam Abou-Nasr it also seemed unfair—he had {{" '}}so frustratingly hard that I cannot recommend this game' angrily scrawled in [his] notes"—but "it eventually clicked". Whitaker "never found any of the bosses to be unfair". Destructoid and Nintendo World Report reviewers felt a sense of accomplishment after difficult fights. Critics also made comparisons to the Dark Souls series, noting the mechanic of losing currency on death and having to defeat a Shade to regain it. Destructoid praised this feature, as well as the holding down of a button to heal, because "[t]hey circumvent a couple of issues games have always had, namely appropriate punishment for failing, and a risk-reward system".

Hollow Knight had sold over 500,000 copies by November 2017 and surpassed 1 million in sales on PC platforms on 11 June 2018, one day before releasing on Nintendo Switch, where it had sold over 250,000 copies in the two weeks after its launch.{{cite web|url=https://www.kotaku.com.au/2017/11/hollow-knight-has-sold-over-500000-copies/|title=Hollow Knight Has Sold Over 500,000 Copies|last=Walker|first=Alex|date=10 November 2017|website=Kotaku|publisher=Kotaku|access-date=10 November 2017|archive-url=https://web.archive.org/web/20171110115410/https://www.kotaku.com.au/2017/11/hollow-knight-has-sold-over-500000-copies/|archive-date=10 November 2017|url-status=dead}}{{cite news|url=https://www.kotaku.com.au/2018/07/hollow-knight-has-sold-more-than-1-million-copies-on-pc/|title=Hollow Knight Has Sold More Than 1 Million Copies On PC|date=2018-07-05|publisher=Kotaku Australia|last=Walker|first=Alex|access-date=2018-07-23|language=en|archive-url=https://web.archive.org/web/20180724032155/https://www.kotaku.com.au/2018/07/hollow-knight-has-sold-more-than-1-million-copies-on-pc/|archive-date=24 July 2018|url-status=dead}}{{cite web|url=https://uk.ign.com/articles/2018/06/29/hollow-knight-sold-over-250000-copies-on-switch-in-its-first-two-weeks|title=Hollow Knight Sold over 250,000 Copies on Switch in Its First Two Weeks|last=Stevens|first=Colin|date=29 June 2018|website=IGN|access-date=29 June 2018|archive-url=https://web.archive.org/web/20190913202828/https://uk.ign.com/articles/2018/06/29/hollow-knight-sold-over-250000-copies-on-switch-in-its-first-two-weeks|archive-date=13 September 2019|url-status=live}} By July 2018 it had sold over 1.2 million copies. By February 2019, Hollow Knight had sold over 2.8 million copies.{{cite web |last=Gibson |first=Ari |date=14 February 2019 |url=https://teamcherry.com.au/hollow-knight-silksong/ |website=Team Cherry |title=Hollow Knight: Silksong Revealed! |archive-url=https://web.archive.org/web/20190310231829/http://teamcherry.com.au/hollow-knight-silksong/ |archive-date=10 March 2019}}{{cite web | url=https://www.kotaku.com.au/2019/02/hollow-knight-has-sold-over-2-8-million-copies/ | archive-url=https://web.archive.org/web/20190215060104/https://www.kotaku.com.au/2019/02/hollow-knight-has-sold-over-2-8-million-copies/ | url-status=dead | archive-date=15 February 2019 | title=Hollow Knight Has Sold over 2.8 Million Copies | date=15 February 2019 }}

The game was nominated for "Best PC Game" in Destructoid{{'}}s Game of the Year Awards 2017,{{cite web|url=https://www.destructoid.com/nominees-for-destructoid-s-best-pc-game-of-2017-476291.phtml|title=Nominees for Destructoid's Best PC Game of 2017|last=Carter|first=Chris|date=12 December 2017|website=Destructoid|access-date=3 January 2018|archive-url=https://web.archive.org/web/20171213041643/https://www.destructoid.com/nominees-for-destructoid-s-best-pc-game-of-2017-476291.phtml|archive-date=13 December 2017|url-status=live}} and for "Best Platformer" in IGN's Best of 2017 Awards.{{cite web|url=https://www.ign.com/wikis/best-of-2017-awards/Best_Platformer|title=Best of 2017 Awards: Best Platformer|website=IGN|date=20 December 2017|access-date=3 January 2018|archive-url=https://web.archive.org/web/20171231213750/http://www.ign.com/wikis/best-of-2017-awards/Best_Platformer|archive-date=31 December 2017|url-status=live}} It won the award for "Best Platformer" in PC Gamer{{'}}s 2017 Game of the Year Awards.{{cite magazine|url=https://www.pcgamer.com/best-platformer-2017-hollow-knight/|title=Best Platformer 2017: Hollow Knight|author=PC Gamer staff|date=17 December 2017|magazine=PC Gamer|access-date=31 December 2017|archive-url=https://web.archive.org/web/20171229223557/http://www.pcgamer.com/best-platformer-2017-hollow-knight/|archive-date=29 December 2017|url-status=live}} Polygon later named the game among the decade's best.{{Cite web |title=The 100 best games of the decade (2010–2019): 100–51 |work=Polygon |date=2019-11-04 |url=https://www.polygon.com/features/2019/11/4/20944265/best-games-2019-2010-ps4-switch-xbox-pc-100-51 |language=en-US |access-date=2019-11-09 |df=mdy-all |archive-url=https://web.archive.org/web/20191110011916/https://www.polygon.com/features/2019/11/4/20944265/best-games-2019-2010-ps4-switch-xbox-pc-100-51 |archive-date=10 November 2019 |url-status=live }}

{{Main article|Hollow Knight: Silksong}}

A sequel, Hollow Knight: Silksong, is in development by Team Cherry as of 2019, and is set to be released on Windows, macOS, Linux, Nintendo Switch, Nintendo Switch 2, PlayStation 4, PlayStation 5,{{Cite web |last=Goslin |first=Austen |date=2022-09-16 |title=Hollow Knight: Silksong is coming to PlayStation, too |url=https://www.polygon.com/23356651/hollow-knight-silksong-ps4-ps5-playstation-release-date |url-status=live |archive-url=https://web.archive.org/web/20250430050801/https://www.polygon.com/23356651/hollow-knight-silksong-ps4-ps5-playstation-release-date |archive-date=2025-04-30 |access-date=2025-04-30 |website=Polygon |language=en-US}} and Xbox Series X/S, in 2025.{{cite web |last1=Nunneley |first1=Stephany |title=Hollow Knight: Silksong in development, and it's free if you backed original on Kickstarter |url=https://www.vg247.com/2019/02/15/hollow-knight-silksong-announced/ |website=VG247 |date=February 15, 2019 |access-date=July 3, 2020 |archive-date=16 February 2019 |archive-url=https://web.archive.org/web/20190216041229/https://www.vg247.com/2019/02/15/hollow-knight-silksong-announced/ |url-status=live }} The sequel will revolve around the character Hornet exploring the kingdom of Pharloom.{{cite web |author=Aaron Souppouris |date=13 February 2019 |title='Silksong' is a full-blown sequel to 'Hollow Knight' |url=https://www.engadget.com/2019/02/14/hollow-knight-silksong-trailer/ |url-status=live |archive-url=https://web.archive.org/web/20190214152956/https://www.engadget.com/2019/02/14/hollow-knight-silksong-trailer/ |archive-date=14 February 2019 |access-date=13 February 2019 |publisher=engadget}} Game demos of Hollow Knight: Silksong demonstrate similar combat styles to the original game, but with several gameplay differences. The player character Hornet is more mobile than the Knight, and uses tools instead of Charms.{{Cite news |author1=Tyler Colp |date=2022-02-10 |title=Hollow Knight: Silksong—Everything we know about the upcoming sequel |language=en |work=PC Gamer |url=https://www.pcgamer.com/hollow-knight-silksong-everything-we-know/ |access-date=2022-05-11 |archive-date=10 February 2022 |archive-url=https://web.archive.org/web/20220210224506/https://www.pcgamer.com/hollow-knight-silksong-everything-we-know/ |url-status=live }} It was announced in February 2019. Team Cherry had previously planned this game as a DLC for its predecessor, but decided to market it an individual title as its content grew too large.{{cite web|url=https://teamcherry.com.au/hollow-knight-silksong/|title='Hollow Knight: Silksong' Revealed!|author=Team Cherry|date=14 February 2019|access-date=11 March 2019|archive-url=https://web.archive.org/web/20190310231829/http://teamcherry.com.au/hollow-knight-silksong/|archive-date=10 March 2019|url-status=live}}

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