Rei Zero - Platform: Playstation 2 Ending bonuses -------------- Successfully complete the game to unlock the "Battle Mode", "Ghost List", "Sound Test", and "Special Function" options as well as alternate costumes. Alternate ending ---------------- Successfully complete the game under the nightmare difficulty setting. Note: You must play from beginning to end. Chapter select -------------- Successfully complete the game under the nightmare difficulty setting. A "Chapter" option will be unlocked in story mode. Nightmare mode -------------- Successfully complete the game in battle mode. Screen saver ------------ Allow the game to be paused for a few minutes. The "ghosts" will begin to put their bloody hands on the screen.