Effect: Unlockable: Boss Battle Mode & Movie Viewer
During the game
If you collect all crystals in the game (the number on your file select screen should say 100%), you will be able to check out two secret modes: Boss Battle (Bosubuchi) and Movie Viewer (Zenbu Miseru). Like the name suggests, you can fight all the bosses in the game in Boss Battle. The Movie Viewer lets you watch all the cutscenes in the game in order.
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