Rei Zero
Ending bonuses
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Successfully complete the game to unlock the "Battle Mode", "Ghost List",
"Sound Test", and "Special Function" options as well as alternate costumes.
Alternate ending
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Successfully complete the game under the nightmare difficulty setting.
Note: You must play from beginning to end.
Chapter select
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Successfully complete the game under the nightmare difficulty setting.
A "Chapter" option will be unlocked in story mode.
Nightmare mode
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Successfully complete the game in battle mode.
Screen saver
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Allow the game to be paused for a few minutes.
The "ghosts" will begin to put their bloody hands on the screen.
