Unlockables

New Game +

Complete the main game once to unlock new game plus

Unique Weapons

Unlockable	How to Unlock
Kanji's secret weapon	Defeat extra boss in Steamy Bath House.
Kuma's secret weapon	Defeat extra boss in Opera House.
Main Character's secret weapon	Defeat extra boss in Void Quest.
Naoto's secret weapon	Defeat extra boss in Secret Lab.
Yousuke's secret weapon	Find in boss' den in Mysterious Shopping Street.
Yukiko's secret weapon	Defeat extra boss in Yukiko's Castle.

Ultimate Weapons

Not available on first playthrough. Death will sometimes hide treasure chests. These chests will give you the option to open them or ignore them. If opened you will have to fight Death and if you win he will drop your character's ultimate weapon.

Unlock Izanagi-no-Okami

Unlockable How to Unlock
Izanagi-no-Okami Complete the game once and start a New Game+ file.