Project Justice Codes -

Fight as Burning Batsu:
Select story mode and play as Taiyo Gakuen. Intentionally have Batsu lose one round to Akira, Yurika, or Zaki. Iincyo will replace Batsu afte rthe match. Burning Batsu will appear when fighting Vatsu.

Fight as Demon Hyo:
Successfully complete the game in story mode with all schools and all endings.

Fight as Hyo Imawano and Dark Side Student Council:
Successfully complete the game in story mode as all the normal schools. Hyo will be unlocked in arcade free mode, versus mode, and training mode and the Dark Side Student Council will be unlocked in story mode.

Fight as Kurow:
Successfully complete the game in story mode as the Dark Side Student Council.

Fight as Powered Akira:
Select story mode and play as Seijyun Syogakuen. Defeat Wild Daigo without using a three person team up attack. You can use a two person team up attack.

Fight as Roy Bromwell and Tiffany Rose:
Successfully complete the game in story mode as Pacific High School.

Fight as Vatsu:
Successfully complete the game in story mode as Gorin Koukou.

Fight as Wild Daigo:
Play as the Gedo Koukou School. When you get to Wild Daigo, defeat him with a three person team up in at least one round. The story will continue to a new branch. you will unlock Wild Daigo after you defeat Demon Hyo.