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that his house is about to explode, with Hikari and Arika inside, he gets them out instead of saving the Dragon Unit; this earns him Arika's trust, and she tells him that she is a time traveler from 2040. Learning that her presence caused a time loop, she wanted to return to her time, but was unable to as her time machine had broken. Hayato gathers parts to repair it with, and again gets close to Hikari. He learns that Arika's true identity is Akari Hino, and that she is Hayato and Hikari's daughter from the future. In the future, Hayato had become a workaholic, building a time machine while neglecting Hikari and Akira; in anger, Akira had stolen the time machine and traveled to 2018. As the time machine only works in a zero-gravity environment, they combine it with the Dragon Unit and take it to the 1,200 feet Sky Tower; their way there is hindered by an earthquake, however they are able to reach it with the help of Hikari, Tamaki, Yuzu, Nanari, and professor
Kanbara.
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with her. He helps her overcome issues with self-confidence and to succeed at the live performance, and they become a couple. At the end of the festival, time moves backwards to
September 11 again; the same month loops several times, with Hayato being unaware of it and having no memory of past loops. During each loop, he gets closely involved with one of the game's female characters, helps them with the festival, and with resolving their personal problems. While Arika is distant at first, she starts to lighten up to Hayato the more loops he goes through.
346:
manages to save her. Her name turns out to be Arika
Tokitou. Ryuusei Academy and the Second Science Club prepare for a school festival that is scheduled for a month later, when Hayato's science professor, Genkuro Kanbara, gives him a smartphone chip composed of an "Agastia Stone", which theoretically would allow him to receive voice messages from the future. He installs it and does receive messages from the future, but is unable to tell what they are saying.
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417:; instead, it was set in a school with romance themes. Initially, the development team had planned to use the "escape" theme, but had to change it due to concerns about the size of the audience for the game. The game's sound production was done by members of the band Milktub, who also performed the game's opening and ending themes: the opening theme, "Agastia Stone"
254:. The story follows Hayato Hino, a high school student who receives voice messages from the future on his phone, and is stuck in a loop, repeating a month of his life over and over again. The gameplay involves advancing the story through conversations with characters, with dialogue choices influencing the story's path.
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gave the game a score of 26/40 in their cross-review, with individual reviewers giving it the scores 7, 7, 6, and 6. At the end of 2011, the PlayStation
Portable version was the 809th best selling video game of the year in Japan, with 5,766 copies sold; the Xbox 360 version was on 847th place, with
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that would cause Akari to cease existing. Because of this, Hayato had spent all of his time on creating a time machine by 2040, while he acted cold to Akari on purpose to give her incentive to travel back in time. The Hayato of 2040 then sent voice messages to his 2018 self to offer guidance and to
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After going through several loops, Hayato returns to
September 11 with his memories intact, and realizes that Arika is the only one who appears to have a connection to the looping. He confronts her, and while she admits to have a connection, she does not trust him to help her. When Hayato realizes
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At one point, due to an accident with the Dragon Unit, Hayato's house blows up, forcing him to sleep in the science clubroom. He and the rest of the club decide that for the festival, they should put on a live performance for Hikari. During the month, Hayato and Hikari get closer, and he moves in
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The game opens on
September 11, 2018. When Hayato is about to test his "Dragon Unit" flight pack on the school's roof, a girl falls from the sky, wearing a similar device. He tries to save her, but falls to his death; after this, he is transported back in time without any memory of the event, and
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games, the core gameplay features the player character Hayato Hino exploring his school environment and interacting with five female characters with whom he can develop relationships. The state of Hayato's romantic relationships, together with choices made during the story, can alter the flow of
265:, closed down. The game's writing was done by the group Run & Gun, while the sound production was handled by the band Milktub. While the development team had originally planned to use a theme of "escape from an enclosed space" similarly to previous
357:
The sender of the voice messages from the future is revealed to be the Hayato of 2040; as the future versions of Hayato and Hikari had seen Akari in 2018, they knew that they needed to recreate the events in order to avoid a
333:, and a member of the school's Second Science Club. Among other characters are Hikari Haruna, a friend of Hayato's, who often visits the club despite not being a member; Tamaki Tatekawa, a wealthy girl with
464:, and a soundtrack CD, was made available. Certain stores also offered telephone cards, pre-paid cards for book stores, and postcards, with "seductive" illustrations of the game's female characters in a
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The game was showcased at
Cyberfront's booth at the DreamParty Tokyo 2011 spring event on May 1. In September of the same year, the PlayStation Portable version of the game was playable at
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events to a degree; some options can trigger alternative bad endings for characters, and the game's full ending is altered depending on whom Hayato has formed a romantic relationship with.
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was published by
Cyberfront on September 29, 2011, for PlayStation Portable and Xbox 360 in Japan In addition to the standard edition, a limited edition which included an artbook, an
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hobbies; Yuzu Soraki, a tomboy who is an acquaintance of Hayato's; Nanari
Torikura, a quiet girl who often reads alone; Arika Tokitou, who appears to dislike Hayato.
468:, in underwear, or naked, for people who bought the game. A Microsoft Windows version was released on December 21, 2012, both separately and in a bundle with
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in which the player makes progress through the linear story by talking to characters and listening to dialogue. Disposing of the escape scenarios of earlier
395:
as director and producer, in addition to creating the basic scenario with Chabou
Higurashi. The writing group Run & Gun, mostly known for working on
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said that he was curious about it since KID mostly made bishoujo games, while Run & Gun was best known for otome games; and Andrew Barker at
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on June 8, 2011. In it, the player spends time with the game's female characters, and makes progress by getting more intimate with them.
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gave it an average score. Sales of the title were low, with both console versions reaching a combined total of over 11,000 units.
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series. The theme of "an escape from an enclosed space" from the previous three games in the series was not used in
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thought it would be interesting to see if the game would have a different feeling to it compared to previous
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games – closed down, Cyberfront bought the rights to all of their projects. Ken Wakabayashi, who worked on
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5,311 copies sold, adding up to a total of 11,077 copies across both platforms during the debut year.
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Prior to the game's release, some video game journalists wondered about the game's tone: Spencer at
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The player character talks with Hikari Haruna, one of the supporting characters and romance options.
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games, it was changed due to concerns of the size of the game's audience, and was seen as a
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Cover art, depicting (clockwise from top left) Arika, Hikari, Nanari, Yuzu, and Tamaki
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video game developed by Cyberfront and released on September 29, 2011, for the
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was composed and arranged by Kyoura Miyazuki, and written and sung by Airi.
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888:"「code_18」のPC版が12月21日に発売決定。シリーズ作の「Ever17」をセットにしたパッケージ"インフィニティセレクション"も同時発売"
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731:"code_18 Is Next In The Infinity Series, Here's The Opening Movie"
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699:"新作アドベンチャー「code_18」の発売日が9月29日に決定。サイバーフロントからXbox 360/PSP向けにリリース予定"
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664:"「code_18」の店舗別購入特典に使用される描き下ろしイラストが公開に。スポーツブラにネグリジェ，ぜ……全裸も"
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of the series. Western journalists were optimistic, while
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609:"Girls Romance Group Wrote The Scenario For code_18"
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977:"Infinity Series Title code_18 Goes Multiplatform"
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767:"Adventure Game code_18 Due for PSP and Xbox 360"
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537:At the game's release, the video game magazine
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1006:"GEIMIN.NET／2011年テレビゲームソフト売り上げTOP1000（ファミ通版）"
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827:"プレイアブル出展多数！ 明かされたTGS2011 KONAMIブースの詳細を一挙発表"
572:] (in Japanese). Cyberfront. 2011-09-29.
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526:games. Derek Heemsbergen, also writing for
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591:. Cyberfront. 2011-09-29. pp. 20–21.
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796:"サイバーフロント，DreamParty東京 2011春のブース出展内容を発表"
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864:(in Japanese). Aetas Inc. 2011-06-08.
804:(in Japanese). Aetas Inc. 2011-04-26.
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661:
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856:"発売前に体験しよう。「code_18」のケータイ版がモバゲーで配信開始"
388:12Riven: The Psi-Climinal of Integral
261:series after its previous developer,
251:12Riven: The Psi-Climinal of Integral
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257:Cyberfront bought the rights to the
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13:
14:
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975:Heemsbergen, Derek (2011-05-24).
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450:, and was released for free via
245:Remember 11: The Age of Infinity
1016:from the original on 2015-10-31
998:
987:from the original on 2015-09-05
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957:from the original on 2015-09-05
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922:Xbox 360 - Code_18 (コード エイティーン)
900:from the original on 2013-05-28
879:
868:from the original on 2012-01-20
848:
837:from the original on 2015-04-28
819:
808:from the original on 2015-06-26
777:from the original on 2014-08-12
744:from the original on 2011-09-12
711:from the original on 2014-10-04
676:from the original on 2013-05-27
622:from the original on 2011-08-15
589:Code_18 Limited Edition Booklet
1247:Video games developed in Japan
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722:
648:). Cyberfront. Scene: Credits.
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1:
945:Barker, Andrew (2011-06-01).
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947:"Who Are Code_18's Writers?"
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471:Ever 17: The Out of Infinity
379:– the developer of previous
239:Ever 17: The Out of Infinity
233:Never 7: The End of Infinity
230:series, which also includes
7:
1227:Japan-exclusive video games
833:(in Japanese). 2011-08-25.
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1232:PlayStation Portable games
930:. No. November 2011.
896:(in Japanese). Aetas Inc.
707:(in Japanese). Aetas Inc.
672:(in Japanese). Aetas Inc.
391:as director, returned for
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1054:The Visual Novel Database
640:Cyberfront (2011-09-29).
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371:Development and release
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607:Spencer (2011-06-01).
321:Setting and characters
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886:Yusuke (2012-11-05).
729:Ishaan (2011-07-08).
662:Yusuke (2011-07-28).
530:, thought that a new
444:Code_18: Another Side
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446:was made to promote
214:PlayStation Portable
122:PlayStation Portable
697:Yama (2011-05-26).
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365:ontological paradox
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1168:Takeshi Abo
1122:Remember 11
1100:Video games
927:Famitsu 360
739:Curse, Inc.
617:Curse, Inc.
492:Publication
462:audio drama
440:mobile game
397:otome games
275:Famitsu 360
114:Platform(s)
72:Producer(s)
62:Director(s)
1201:Categories
1043:(archive)
1020:2015-12-03
1010:Geimin.net
991:2015-12-06
961:2015-12-06
932:Enterbrain
904:2015-12-05
893:4Gamer.net
872:2015-12-06
861:4Gamer.net
841:2015-12-06
812:2015-12-06
801:4Gamer.net
781:2015-12-05
771:Andriasang
748:2015-10-18
735:Siliconera
715:2015-12-06
704:4Gamer.net
680:2015-12-06
669:4Gamer.net
626:2015-10-18
613:Siliconera
548:References
516:Siliconera
422:アガスティアストーン
402:Skip Beat!
56:Cyberfront
46:Cyberfront
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