Cheat mode
At the main menu, press Left(2), Right(2), Up, Down, Left, Right, Up(2), Down(2). Then, scroll down below the "Load Game" option to display a cheat menu selection.
Level Skip
While playing a game, press R1, R2, L1, L2, R2, L1, L2(2).
Unlimited Lives
At the Title screen, press L1, R1, L2, R2, L1, R1, L2, R2.
