Aya - Finish Stage 1 of 2-Sister Story
Aya Costume 2 - Clear 4 Quests
Aya Costume 3 - Clear 10 Quests
Aya Costume 4 - Clear all Blood Gates/Fill ??? Bar
Aya Costume 5 - Clear 2-Sister Story in BERSERK mode
Aya Costume 6 - Clear Futaba Story in EASY
Eva - Finish 2-Sister Story in HARD mode
Eva Costume 2 - Finish Futaba Story in VIOLENT
Kiku and Hana - Complete all Quests
Makoto - Finish Stage 1 of Futaba Story
Reiko Costume 2 - Clear 6 Quests
Riho and Makoto Costume 2 F- inish Futaba Story in BERSERK
Saki - Finish Stage 1 of 2-Sister Story
Saki Costume 2 - Clear 6 Quests
Saki Costume 3 - Complete All Quests
Saki Costume 4 - Finish 2-Sister Story in BERSERK mode
Saki Costume 5 - Finish 2-Sister Story in NORMAL mode
Saki Costume 6 - Press START button when choosing Saki
Wallpaper 1 - Clear 1 Quest
Wallpaper 2 - Clear 2 Quests
Wallpaper 3 - Finish 2-Sister Story in VIOLENT mode
Unlocks all the secrets in the game
Enter R3, L3, R2, L2, R1, L1, SQUARE, TRIANGLE, CIRCLE, X, R3, L3, R2, L2, R1, L1, SQUARE, TRIANGLE, CIRCLE, X quickly at the title screen with the 1P controller.