Sigma Harmonics
Shiguma Hāmonikusu

Developer(s): Square Enix
Publisher(s): Square Enix
Release date(s): JP August 21, 2008
Genre: Adventure / RPG
Game modes: Single-player
Platform(s): Nintendo DS

Producer: Yoshinori Kitase
Director: Hiroki Chiba
Scenario writer: Hiroki Chiba
Character designer: Yusaku Nakaaki
Composer(s): Masashi Hamauzu

Sigma Harmonics (シグマ・ハーモニクス, Shiguma Hāmonikusu) is an upcoming roleplaying game from Square Enix for the Nintendo DS handheld game console. First announced in Famitsu, a Japanese gaming magazine, the game was developed by the workforce behind Dirge of Cerberus: Final Fantasy VII.


The game is played in a way that the console is held sideways, similar to when one is reading a book.


The story revolves around Sigma, an ordinary student. One day, his past was rewritten, causing chaos in his present. He then works with his friend Neon to return his life to normal.


  • Kurokami Sigma (黒上・シグマ, Kurokami Shiguma)
  • Tsukiyumi Neon (月弓・ネオン, Tsukiyumi Neon)


Sigma Harmonics was first revealed as one of the trademarks registered by Square Enix. The producer will be Yoshinori Kitase and the game will be directed by Hiroki Chiba. The game will feature character designs by Yusaku Nakaaki.

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