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Kingdom Hearts χ
Developer(s)Square Enix
Success
BitGroove
Publisher(s)Square Enix
Director(s)
Producer(s)Hironori Okayama
Designer(s)
  • Masahiro Ishihara
  • Yu Suzuki
  • Haruki Nakano
Programmer(s)Takahiro Hojo
Artist(s)
  • Tatsuya Kando
  • Takeshi Nagata
  • Akihito Nonami
Writer(s)Masaru Oka
Tetsuya Nomura
Composer(s)Yoko Shimomura
Tsuyoshi Sekito
SeriesKingdom Hearts
Platform(s)
ReleaseWeb browser
  • JP: July 18, 2013
Android, iOS
  • JP: September 3, 2015
  • NA: April 7, 2016
  • PAL: June 16, 2016
Fire OS
  • WW: January 29, 2019
Genre(s)Role-playing
Mode(s)Single-player, multiplayer

Kingdom Hearts χ,[a] stylized as Kingdom Hearts χ[chi], is a Japanese role-playing browser game developed by Square Enix (in collaboration with Disney Interactive Studios), BitGroove and Success, and published by Square Enix for web browsers as the eighth installment in the Kingdom Hearts series. Gameplay involves players navigating a customized avatar through Disney-inspired worlds fighting enemies, along with taking down bosses in multiplayer matches in competition with other teams. A version of the game for mobile devices called Kingdom Hearts Unchained χ was released as the ninth installment of the series in Japan in September 2015, and worldwide in 2016.

In April 2017, Unchained χ was rebranded as Kingdom Hearts Union χ[Cross]. It was rebranded once again in June 2020 to Kingdom Hearts Union χ Dark Road with the release of the standalone game Kingdom Hearts Dark Road, the thirteenth installment in the series. Dark Road is accessed within Union χ. It was announced in February 2021 that Kingdom Hearts Union χ Dark Road would be shutting down its online features and transitioning into an offline app, starting with Union χ in May 2021 and Dark Road in August 2022.[1][2]

Kingdom Hearts χ is a prequel to the Kingdom Hearts series as a whole, taking place centuries prior. It takes place before the Keyblade War, which established the organization of the Kingdom Hearts universe as of the original game. The player assumes the role of a Keyblade wielder who joins one of five factions led by Keyblade Masters fighting for control of the limited light existing in the world. Union χ acts as a sequel, retelling part of the story of Kingdom Hearts χ before diverging and telling a new story set after its events. The game's plot is connected to Kingdom Hearts III. The title refers to the χ-blade, a weapon central to the series' story arc. Kingdom Hearts Dark Road explores the origins of series antagonist Xehanort and his eventual turn to darkness.

The game was designed as a playing experience that newcomers to the series could come to. Its presentation was compared to that of a fairy tale, as depicting the usual style of the series would have been difficult on the platform. Both Tetsuya Nomura and Yoko Shimomura, veterans from the main series, returned as director and composer respectively. The game received favorable reception from critics. A companion film, Kingdom Hearts χ Back Cover, was released as part of Kingdom Hearts HD 2.8 Final Chapter Prologue in January 2017.

Gameplay

[edit]
A player character fighting a Heartless Raid Boss in Kingdom Hearts Union χ

Kingdom Hearts χ is a role-playing video game set in the universe of Kingdom Hearts which includes original characters and locations as well as ones from Disney and Final Fantasy media properties. Before beginning, players create their own character. Players can customize the gender, hair, and clothing, and choose accessories themed after both Square Enix and Disney universes present in the Kingdom Hearts series. Story missions are unlocked by the player. After a certain amount of the available content has been completed, new story missions become available. Players navigate their surroundings by dragging their cursor across the screen.[3] Players navigate different worlds, defeating monsters known as the Heartless. The base game is free to play, with optional microtransactions.[4] Actions use up AP, which can be replenished by either waiting or by using potions, which can be earned or bought. Rare items such as special cards can also be purchased.[5] Alongside the single-player mode, there is a multiplayer mode where teams of players take on Raid Bosses, gigantic Heartless with high HP.[6]

Enemies appear on-screen, and can be engaged by clicking on them. During the player's turn, three cards are randomly drawn from a deck of nine, each resulting in an attack. If the cards' combined strength and attached skills are insufficient to exhaust the enemy's HP, the heartless will counterattack. If the player survives this attack, or continues by spending additional AP, a new turn begins. Upon defeating an enemy, the player earns Lux (which unlocks rewards as it accumulates, but resets weekly), experience points (through which the player advances in level), and Munny (an in-game currency).[3] The player also earns Fragments, cards based on the characters original to the Kingdom Hearts series and those from Disney and Final Fantasy franchises: the fragments are imbued with different properties depending on the character, such as physical or elemental strikes. Players can level up their cards to improve their attack and defense.[3][4] Players can strengthen their Keyblade using materials found in each world, and new Keyblades are acquired as the story progresses. Each strengthens different types of cards; for example, Starlight is an all-around Keyblade offering boosts for Power-, Speed- and Magic-type cards, while the Snow White-inspired Treasure Trove is Power-type focused.[3][6]

The mobile version of the game, entitled Kingdom Hearts Union χ, shares multiple gameplay features with its browser counterpart: the main exception is that this version is tailored for a touch screen. The ability to travel freely between different Disney worlds is also replaced with a stage system.[7] These stages, called quests, are confined to specific areas of specific worlds. Instead of spending AP on individual actions, AP is paid to start a quest, and the player can attack as many enemies, collect as many materials, and open as many chests as he or she can find before defeating a target Heartless.[8] If the player's HP is fully depleted, a choice is offered between forfeiting all progress in the quest or continuing to fight by spending Jewels, a new general-purpose in-game currency. Lux is considered another name for character-leveling experience points. Clothing, hair, and accessories are obtained through Avatar Boards, which each contain an array of nodes on branching pathways.[8] These nodes are unlocked, in set sequences, with Avatar Coins, and may also yield such benefits as increased limits for AP and HP.[8] Cards from the browser version are here replaced by Medals, which are no longer drawn randomly in battle. Instead, each equipped Medal is presented one at a time, and the player is given the choice of attacking one enemy, attacking all enemies (dealing less damage), or using the special attack granted by the Medal (provided the Keyblade's special attack gauges are sufficiently filled).[8] Medals can be combined with matching Medals to improve their special attacks.[8]

Synopsis

[edit]

Setting

[edit]

Kingdom Hearts χ is set in a world called Daybreak Town, hundreds of years prior to the other games in the series. The game begins before the legendary Keyblade War, a conflict sparked due to disputes between Keyblade wielders over the light that created the world, triggering a calamity that reshaped the world into that seen in the rest of the Kingdom Hearts series.[7][9] Prior to the war, a precognizant Keyblade Master known only as the Master of Masters bestows a Book of Prophecies to five of his six apprentices, the Foretellers, before disappearing. The book has the ability to manifest objects and people from the future, and contains an account of future events, from which the five Foretellers learn of a prophecy foretelling the world's destruction. To prevent this, the Foretellers use their books to manifest future worlds and defeat the Heartless infesting them to gather pieces of light, called Lux. Each Foreteller creates and leads their own "Union" themed around their individual animal icon: Unicornis, governed by Ira; Anguis, governed by Invi; Leopardus, governed by Gula; Vulpes, governed by Ava; and Ursus, governed by Aced. The player character, a newly awakened Keyblade wielder, chooses to support one of the Unions and works to ensure the chosen faction's supremacy.[6][10] The future worlds created by the Book of Prophecies include several worlds introduced in previous series entries, including Dwarf Woodlands (based on Snow White and the Seven Dwarfs); Agrabah (Aladdin); Wonderland (Alice in Wonderland); Olympus Coliseum (Hercules); and Beast's Castle (Beauty and the Beast).

Kingdom Hearts Union χ takes place shortly after the events of Kingdom Hearts χ in an alternate data worldline, with the player reliving the past to forget the events of the Keyblade War. Due to the Book of Prophecies' loss of power without the Master or Foretellers present, the Keyblade wielders instead visit simulated datascapes based on the various Disney worlds. The game initially repeats the story of the original, dubbed Unchained χ, but diverges partway through the narrative in a new narrative titled Union χ. New stories feature the player forming a new team with four other Keyblade wielders, who become friends, while a new set of union leaders must contend with new formless, sentient incarnations of True Darkness. Other major story events that do not involve the player were delivered via game updates, serving to expand on the story of Kingdom Hearts χ and continue the narrative after the events of the Keyblade War. All of the worlds from Kingdom Hearts χ reappear, alongside returning worlds Castle of Dreams (Cinderella) and Enchanted Dominion (Sleeping Beauty). The game also introduces a new world, Game Central Station (Wreck-It Ralph).

Kingdom Hearts Dark Road is set many years later, beginning 70 years prior to the events of Kingdom Hearts Birth By Sleep. The story explores the origins of series antagonist Xehanort and his eventual turn to darkness.[11] Scala ad Caelum, a world first seen in Kingdom Hearts III, acts as a central hub for the characters in the story, while gameplay takes place in the worlds seen in χ.

The events of all three games are told in a non-linear order; they are presented below chronologically.

Kingdom Hearts χ

[edit]

The player character receives a Keyblade and is given a choice of joining one of five Unions, after which a spirit called a Chirithy explains the player's role of destroying Heartless to collect Lux. Under their Chirithy's direction, the player visits projections of future worlds to carry out their mission. As they continue, Chirithy explains that the Foretellers have learned from the Book of Prophecies about a great battle in which the world will be consumed by darkness. To save the future, the Foretellers use the book's powers to project the future into their era, hoarding Lux to protect the world's light.

The player befriends Ephemer, a Keyblade wielder from a rival Union who wishes to explore the Foretellers' tower in the center of town. The player agrees to help, but Ephemer disappears shortly thereafter. Later, the player meets another wielder from Ephemer's Union named Skuld, who is investigating his disappearance. Exploring the tower, the player and Skuld are caught by Ava,[b] who challenges them to a duel. Upon her defeat, Ava reveals that she has recruited Ephemer into the Dandelions, a group of Keyblade wielders intended to be kept out of the impending war so they may rebuild the world in its aftermath. Ava offers the same invitation to Skuld and the player; Skuld accepts, but the player is uncertain. As time passes, other wielders accuse one another of stealing Lux, and the Foretellers – suspecting one among themselves to be a traitor – begin rallying more wielders to their Unions to bolster their forces for the war.

Seeking a solution, the player, Skuld, and Chirithy find Gula, who believes the only one who can stop the war is the now missing Master of Masters. Ava tracks down the Master's sixth apprentice, Luxu, who vanished to watch the war unfold as per the Master's instructions; when Luxu reveals the true nature of the traitor, Ava attacks him, starting the war as prophesied. Skuld returns to the Dandelions while the player participates in the war alone, battling for as long as they can before collapsing in exhaustion. The war ends with the player as the sole survivor, reuniting with Chirithy, Skuld, and Ephemer before losing consciousness. Sometime later, Chirithy awakens the player and lies to them that the events surrounding the war were all a dream. Unbeknownst to them, Maleficent appears nearby – having traveled back in time after being defeated by Sora and his friends[c] – and makes plans to conquer her world in the past.

Kingdom Hearts Union χ

[edit]

Prior to the Keyblade War, the Master of Masters gives Ava a list of five Keyblade wielders who are to become the new Union leaders; against his orders, she gives a Book of Prophecies to one of them, Brain. Strelitzia, another of the new leaders, attempts to convince the player to join the Dandelions, but she is ambushed and killed by an unknown figure. The Master entrusts Luxu with his Keyblade and a black box, which he instructs him to never open, revealing his plan to end a greater war against thirteen willful embodiments of True Darkness by using his apprentices and the new Union leaders as vessels to contain them. The Master plans to travel into the future and escape into a fictional world with Luxu's help.

After the war, the Dandelions reside in a data simulation of Daybreak Town, with all but the Union leaders made to forget what had happened. To prevent another war, the five new Union leaders – Ephemer, Skuld, Ventus, Brain, and Strelitzia's older brother, Lauriam – agree to keep the world's destruction a secret and form a single Union, Union Cross. Meanwhile, Maleficent encounters a Darkness, who explains the virtual nature of the world she is in. Fearing the damage she could cause with her knowledge of the future, the Darkness instructs her to use a "lifeboat" pod within the tower in Daybreak Town to return to the real world.

Lauriam investigates Strelitzia's disappearance, aided by his fellow party member Elrena, before confronting Maleficent in the tower. Maleficent defeats Lauriam and escapes, but the lifeboat is damaged during the fight. Upon returning to the real world, the Darkness instructs Maleficent to use another pod to return to the future.[d] Meanwhile, a malfunction causes the datascape to display afterimages of events from before the Keyblade War. While searching the Book of Prophecies for a solution, Brain finds the Master's list and discovers that Ventus is not one of the intended Union leaders. Suspecting that Ventus had replaced Strelitzia, the group learns that a Darkness possessed Ventus and killed Strelitzia to sow discord between the leaders.

The Darkness within Ventus emerges and reveals that using the lifeboat triggers a failsafe meant to shut the datascape down with the Darkness trapped inside, but due to Maleficent's earlier use, the process has already begun. Ventus absorbs and binds the Darkness within himself to stop it from attacking. Brain, Lauriam, Ventus, and Elrena use the remaining pods to return to the real world; Ephemer, Skuld and the player stay behind and protect the Dandelions until they can all be rescued. They are confronted by four Darknesses, but the player pretends to be possessed by one of them and attacks Ephemer and Skuld, who are forced to seal the player and the other Darknesses in the datascape.

In the real world, a Darkness encounters Luxu, who places a white-cloaked figure into the lifeboat and sends it into the future. Later, the escaped Keyblade wielders use the pods to reach the future, but Brain stays behind and meets Luxu; he is later seen carrying the Master's Keyblade and box. Daybreak Town is destroyed, and the remaining Dandelions' Chirithies become Dream Eaters to protect their hearts. The player instead chooses to be reborn in a new vessel; many years later, they become Xehanort's mentor before passing away. The surviving Keyblade wielders each emerge in different time periods, though Skuld is unaccounted for. Later, Brain awakens in Scala ad Caelum, a town founded on the ruins of Daybreak Town by Ephemer.

Kingdom Hearts Dark Road story

[edit]

Xehanort, living bored on the Destiny Islands, is approached by Ansem, his Heartless from the future, and is shuffled through a portal to Scala ad Caelum, a world where Keyblade wielders are trained. Two years later, Xehanort – now a Keyblade wielder – and his classmates Eraqus, Urd, Bragi, Vor, and Hermod are told by their master, Odin, that seven upperclassmen have gone missing before their Mark of Mastery exam. Their fellow classmate Baldr has also left in search of his sister Hoder, who is one of the missing upperclassmen. Odin tasks the youths to explore the many worlds and find the missing students, reminding them not to interfere in the affairs of other worlds.

Xehanort and his friends eventually find Vidar, Vala and Vali, three of the upperclassmen, who have been stealing items essential to worlds' natural order. Vidar explains that they learned of the thirteen True Darknesses from Odin, and that they now seek to purge the world of them by finding the seven pure lights needed to summon Kingdom Hearts. Realizing this could destroy the worlds, most of Xehanort's group opposes this, but a sympathetic Vor joins the upperclassmen. Baldr returns, revealing Hoder perished protecting him, and suggests they go to the Underworld to find her and gain more information on Vidar's plan. While there, they find the souls of Hoder and her fellow upperclassmen – Heimdall, Helgi and Sigrun – learning that Vidar's desire to purge the darkness was to avenge their deaths. Hades attempts to trap them all in the underworld, and the group is separated; only Xehanort and Eraqus are found and rescued by Odin.

After they return, Scala ad Caelum comes under attack by Baldr, revealed to have been possessed by an incarnation of Darkness, which killed Hoder to make Baldr vulnerable. Baldr reveals he killed the other upperclassmen to trick the survivors into summoning Kingdom Hearts, with which he intends to consume the worlds in darkness; when the upperclassmen abandoned the plan, Baldr killed Urd, Bragi and Hermod, planning to use all their deaths to summon Kingdom Hearts. Baldr kills Vidar, Vala, Vali and Vor before facing Xehanort and Eraqus in a final battle. With help from Odin and Hoder's spirit, Xehanort kills Baldr, destroying his Darkness in the process. As they mourn their friends, Odin decides to retire, planning to make Xehanort and Eraqus his successors. Unbeknownst to them, Bragi is alive, having secretly been Luxu's latest vessel, and he decides to keep watch over Xehanort.

A year later, while preparing for his Mark of Mastery exam, Xehanort meets the Master of Masters.[e] Their conversation, combined with his own observations over the following years, leads Xehanort to believe that darkness lives in every heart, and that there must be balance between light and darkness to maintain the worlds' order. Eraqus rebukes him, believing only in the purity of light, and the two go their separate ways. Xehanort spends the next sixty years studying darkness, eventually reconnecting with Eraqus when he leaves Ventus in his care after extracting the True Darkness from Ventus's heart, which becomes Vanitas.[f]

A post-credits scene shows a flashback to Xehanort's childhood, in which he is watched over on Destiny Islands by his elderly mentor, the reborn player from Union χ. The mentor believes Xehanort to be the "child of destiny", a prophesied savior of the world, and has sequestered him there to hide him from the True Darknesses until he becomes strong enough to defeat them. Years later, the mentor passes away, content in having protected Ephemer's descendant.

Development

[edit]

Kingdom Hearts χ was co-directed by Tetsuya Nomura, one of the series' creators, and Tatsuya Kando, who had previously directed Nintendo DS game The World Ends with You.[10] The game's music was composed by Yoko Shimomura, a regular contributor to the series' music.[12] The game was co-developed by Square Enix and Japanese studio Success Corporation.[13][14] Square Enix originally handled the planning and design itself, but due to their developers' inexperience with creating browser games, development was transferred to the Success Corporation, who were familiar with the process. Despite multiplayer elements being included, the game was "fundamentally single-player", as with most other entries in the series.[14] Chirithy, the player characters' companion, was designed around the concept of a supportive yet unobtrusive guide.[15] Nomura based the character's design on the Scottish Fold domestic cat.[15]

Due to difficulties that arose adapting the core Kingdom Hearts experience into a browser game, the presentation was designed similar style of fantasy classics of the locations encountered previously by series protagonists Sora and Riku. And because the game was to be played with a mouse instead of a game controller, the gameplay focus became simple controls and "flashy" battles.[6][16] In an interview, Nomura stated that the work on developing Kingdom Hearts χ was paused for a time so developers could work on Kingdom Hearts III. He also stated that at the time they were exploring ways to allow more fans of the series to experience the game.[17] The stories of Kingdom Hearts χ and Kingdom Hearts III were both written at the same time, and thus share a strong connection.[17] Despite this strong link, it was described by Tetsuya Nomura as a title where story was not the focus, and that its content was completely separate from the main series, making it accessible for newcomers.[16] The game's title refers to the χ-blade (chi-blade), the original Keyblade and a weapon central to the Kingdom Hearts storyline.[6]

The creation of a mobile version of the game was decided upon while the browser version was still being developed. Nomura initially planned to release both titles simultaneously, with each being updated individually. However, as development went on, the team's efforts became focused on finishing Kingdom Hearts χ, and development on Unchained was halted. The original plan was to make the game a simpler version of its browser counterpart, but with the increasing specs of mobile devices, the workload increased, contributing to the halt to development. As mobile devices employ a different control set-up to web browsers, Unchained could not work simply as a port of Kingdom Hearts χ. Its title "Unchained" signified the gameplay and story of Kingdom Hearts χ being released into a mobile format. One of the changes instituted during the games mobile remake was to make the gameplay more "casual" than Kingdom Hearts χ, with battles being shorter and potentially easier.[7]

In March 2017, ahead of the first anniversary of the North American launch of Unchained χ, Square Enix announced that the mobile game would be rebranded as Kingdom Hearts Union χ[Cross] in April 2017. The relaunch of the title would include a new Union Cross multiplayer mode, allowing parties of up to six players to take on the Heartless together through the game's matchmaking feature as they communicate with each other through emotes and text options, and a theater mode to rewatch unlocked cutscenes and animations.[18] In September 2018, a series of special "Classic Kingdom" minigames was added to Union χ; by completing certain objectives in these minigames, players were able to get early access to the "Starlight" Keyblade in Kingdom Hearts III.[19]

In January 2020, a new mobile game called Kingdom Hearts Dark Road was revealed, initially under the working title Project Xehanort,[20] being developed by the same team working on Union χ.[21] It was later clarified that Dark Road would be a standalone game accessed within Union χ and that the app would be rebranded as Kingdom Hearts Union χ Dark Road upon Dark Road's release. Players would be able to access Dark Road without needing to meet certain criteria within Union χ and would have the ability to link the two games.[22]

Release

[edit]

The game was first announced at the Tokyo Game Show on September 20, 2012 alongside Kingdom Hearts HD 1.5 Remix under the tentative title Kingdom Hearts for PC Browsers.[9] Its official title was announced in February the following year. To promote the game, codes for special items and in-game currency were included with first-print copies of Kingdom Hearts HD 1.5 Remix.[13] A closed beta for the title began on March 22, 2013, with Beta recruitment beginning on March 13. The test was available for users who had a Yahoo Japan ID, and included in-game items and currency as a starting gift.[23] An open beta test began on July 9, 2013, and the game's official service began on July 18 of the same year.[24][25] Since the original release, the game received constant updates to its story missions, providing additional content to players.[10] In April 2016, Square Enix announced that the browser game would be discontinued in September 2016.[26]

Disney Interactive was forced to delay a western localization of the game when the game's publisher Playdom, a social game network owned by Disney, was shut down. Despite this, planning continued for a western release with playtesting taking place to improve upon the game before launch.[7][27] The western localization was revealed to the public with the title Kingdom Hearts Unchained X at the 2015 Electronic Entertainment Expo.[28] Unchained χ was released in Japan on September 3, 2015,[29] in North America on April 7, 2016,[15] and in Europe on June 16, 2016.[30] Union χ became available on the Amazon Appstore for Amazon devices on January 29, 2019.[31]

Kingdom Hearts Dark Road was available worldwide on June 22, 2020.[32]

On February 25, 2021, Square Enix announced that the game would be reaching its end of service in April of that year for the Japan server, and May for the global servers; this end of service was later delayed by one month.[33] The end of service came with an update to the game allowing players to view game cutscenes offline. Square Enix also announced a subsequent update that would complete the story of Kingdom Hearts Dark Road and allow players to play it in its entirety offline, which was later released on August 26, 2022.

Back Cover

[edit]

In September 2015, Square Enix announced a new game titled Kingdom Hearts HD 2.8 Final Chapter Prologue. The collection features Kingdom Hearts χ Back Cover, a 60-minute cinematic film that focuses on the Foretellers, elaborating on their actions during the events of the game and their attempts to determine who is the traitor among them.[15] It was released in January 2017.[34]

Reception

[edit]

By September 2013, 200,000 users were announced to have enrolled for the game.[36] During the 2013 WebMoney Awards, Kingdom Hearts χ was among the games voted into the "Best Rookie of the Year Good Games" category, with most voters praising the game for being accessible to series newcomers, and fun to play.[37] Richard Eisenbeis of Kotaku was generally positive, saying that despite it being similar to other Japanese browser games and using a micro-transaction system, it was "an enjoyable little time waster."[5]

Unchained was also well received, with Metacritic giving the game a score of 70 out of 100 based on 5 reviews.[35] AV Club praised the game for being a true Kingdom Hearts title despite its free to play format.[38] TouchArcade gave the game three out of five stars, praising the music and graphics while calling the gameplay shallow with an overcomplicated user interface.[8] Gamezebo called the title "better than expected", citing the game's fun but simple combat and extensive character customization but critiquing the game's dialogue for being cheesy and the story for being weaker than the console Kingdom Hearts titles.[39] In the month after it was released, the mobile version was downloaded over two million times.[40]

Notes

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  1. ^ Japanese: キングダム ハーツ キー, Hepburn: Kingudamu Hātsu Kī
  2. ^ Ava disguises herself as Ira if the player has chosen the Vulpes Union. If any other Union is chosen, she disguises herself as that Union's leader.
  3. ^ As depicted in Kingdom Hearts (2002).
  4. ^ As depicted in Kingdom Hearts II (2005).
  5. ^ As depicted in Kingdom Hearts III Re Mind (2019).
  6. ^ As depicted in Kingdom Hearts Birth by Sleep (2010).

References

[edit]
  1. ^ KINGDOM HEARTS Union χ[Cross] [@kh_ux_na] (February 25, 2021). "Message From The Development Team" (Tweet) – via Twitter.
  2. ^ "KINGDOM HEARTS DARK ROAD Twitterren: "The offline Ver 5.0.0 #KHDR update that was planned for end of September has been delayed. More information will be given at a later date, so we appreciate your patience during this time. We sincerely apologize for any inconvenience this may have caused. #KHDR"". Archived from the original on October 1, 2021. Retrieved October 1, 2021.
  3. ^ a b c d "ヘルプ:初心者向けガイド ― KINGDOM HEARTS χ[chi]". Kingdom Hearts χ[chi] website. Archived from the original on March 31, 2015. Retrieved April 25, 2015.
  4. ^ a b Yip, Spencer (March 13, 2013). "Kingdom Hearts X[chi] Is Kind Of Like Kingdom Hearts: Chain Of Memories". Silcionera. Archived from the original on January 8, 2015. Retrieved April 25, 2015.
  5. ^ a b Eisenbeis, Richard (October 21, 2013). "Kingdom Hearts χ Is More Than I Expected from a Browser Game". Kotaku. Archived from the original on July 24, 2014. Retrieved April 25, 2015.
  6. ^ a b c d e "スクエニChan!: 第75回 (2013年3月14日配信)". Square Enix Channel. March 14, 2013. Archived from the original on February 27, 2014. Retrieved April 25, 2015. Translation Archived September 23, 2015, at the Wayback Machine
  7. ^ a b c d あなたの手の中に、『KH』の世界が法がる [The world of "KH" expands into your hands]. Famitsu Weekly (in Japanese). No. 1380. Enterbrain. May 15, 2015. pp. 30–35.
  8. ^ a b c d e f g Musgrave, Shaun (April 15, 2016). "'Kingdom Hearts: Unchained Chi' Review – Neither Simple Nor Clean". TouchArcade. Archived from the original on June 29, 2016. Retrieved June 28, 2016.
  9. ^ a b Nobu (September 20, 2012). "[TGS 2012]10周年を迎えるKINGDOM HEARTS。HD版が楽しめるPS3タイトル「HD 1.5 ReMIX-」と,シリーズ初のPCブラウザ向けタイトルが発表に". 4Gamer.net. Archived from the original on September 25, 2015. Retrieved April 25, 2015.
  10. ^ a b c "Kingdom Hearts Mysteries - Episode Four: The Foretellers' Prophecy". GameTrailers. April 24, 2014. Archived from the original on February 9, 2016. Retrieved April 25, 2015.
  11. ^ Gerblick, Jordan (January 22, 2020). "Kingdom Hearts is getting a new mobile game this spring, Square Enix announces". GamesRadar. Archived from the original on January 23, 2020. Retrieved January 24, 2020.
  12. ^ "イトケンライブ再び! 伊藤賢治さん、光田康典さん、下村陽子さん出演のスクウェア・エニックスステージをレポート 【TGS2013】". Dengeki Online. September 22, 2013. Archived from the original on March 17, 2015. Retrieved April 25, 2015.
  13. ^ a b Yip, Spencer (February 19, 2013). "Kingdom Hearts X[chi] Is Coming To PC, Made By Operation Darkness Developer". Siliconera. Archived from the original on February 1, 2015. Retrieved April 25, 2015.
  14. ^ a b "『キングダム ハーツ』シリーズのディレクター野村哲也氏にインタビュー! ゼアノートが敵となる"Dark Seeker編"はいよいよクライマックスへ". Dengeki Online. October 19, 2012. Archived from the original on March 17, 2015. Retrieved April 25, 2015. Translation Archived April 30, 2015, at the Wayback Machine
  15. ^ a b c d "Kingdom Hearts Unchained χ is coming to North America!". Square Enix. April 4, 2016. Archived from the original on April 4, 2016. Retrieved April 4, 2016.
  16. ^ a b "『キングダム ハーツ -HD 1.5 リミックス-』HDでよりキレイになった画面写真と野村哲也氏のインタビューをお届け". Famitsu. October 5, 2012. Archived from the original on April 2, 2015. Retrieved April 25, 2015. Translation Archived December 28, 2014, at the Wayback Machine
  17. ^ a b "Interview with Tetsuya Nomura". Famitsu Weekly (in Japanese). No. 1347. Enterbrain, Inc. September 25, 2014. pp. 84–89.
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