Zombie Hunters 2

Hard difficulty:
Successfully complete the game under the Normal difficulty setting.

Violent difficulty:
Successfully complete the game under the Hard mode difficulty setting.

Berserk difficulty:
Successfully complete the game under the Violent mode difficulty setting.

Continuation bonus:
In the European version of the game, have a saved game file from Dragon Sisters on your memory card, then select the "Continue" option to being game play.

Characters:
Complete the indicated task to unlock the corresponding characters.

Aya: Complete Stage 1 of 2-Sister Story mode.

Eva: Complete 2-Sister Story mode under the Hard setting.

Kiku and Hana: Complete all quests.

Makoto: Complete Stage 1 of Futaba Story mode.

Saki: Complete Stage 1 of 2-Sister Story mode

Alternate costumes:
Complete the indicated task to unlock the corresponding costume.

Saki Costume 2: Complete six quests

Saki Costume 3: Complete all quests

Saki Costume 4: Complete 2-Sister Story mode under the Berserk setting.

Saki Costume 5: Complete Futaba Story mode under the Normal setting.

Saki Costume 6: Press Start to choose Saki at the character selection screen.

Aya Costume 2: Complete four quests.

Aya Costume 3: Complete ten quests.

Aya Costume 4: Complete all Blood Gates/Fill ??? Bar.

Aya Costume 5: Complete 2-Sister Story mode under the Berserk setting.

Aya Costume 6: Complete Futaba Story mode under the Easy setting.

Eva Costume 2: Complete Futaba Story mode under the Violent setting.

Reiko Costume 2: Complete six quests.

Reiko Costume 3: Complete Futaba Story mode under the Hard setting.

Riho and Makoto Costume 2: Complete Futaba Story mode under the Berserk setting.

Wallpapers:
Complete the indicated task to unlock the corresponding wallpaper.
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Wallpaper 1: Complete one quest.

Wallpaper 2: Complete two quests.

Wallpaper 3: Complete 2-Sister Story mode under the Violent setting.