Here are some cheats and tips for the game Nosferatu.
Level select:
Highlight the “Exit” option on the configuration
screen and press L(2), R(3), L(3).
Refill red crystal:
Pause game play and press Up, X, Right,
A, Down, B, Left, Y.
Refill green crystal:
Execute a spinning back kick (Away + Y), pause
game play, and press Up, X, Right, A,
Down, B, Left, Y, Start.