Ending bonuses:
Successfully complete the game under the nightmare difficulty setting to unlock the "Fatal Difficulty option; and the "Special 3" and "Special 4" alternate costumes.

Successfully complete the game under fatal difficulty setting to unlock the "Chapter Selection" option; the "Special 5" alternate costume, and the "None" special function for the camera.

Alternate ending:
Successfully complete the game under the nightmare difficulty setting. Note: You must play from beginning to end.

Nightmare mode:
Successfully complete the game in battle mode.

Fatal mode:
Successfully complete the game multiple times under the normal and nightmare difficulty settings with a high rank.

Chase special function:
Successfully complete battle mode with an "S" rank to unlock the Chase special function for the camera.

Sense special function:
Successfully complete battle mode with any rank to unlock the "Sense" special function for the camera.

Zero special function:
Complete the ghost list and finish the game to unlock the "Zero" special function for the camera.

Screen saver:
Allow the game to be paused for a few minutes. The "ghosts" will begin to put their bloody hands on the screen.