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" selection. Note: Press Right when selecting a level to display extra levels.

Level select

Enable the "Cheat mode" code. Then at the cheat menu, press L1, R1, L1, R1, L1, R1, L1, R1, L2, R2. If you entered the code correctly you will hear a sound.

Infinite lives

Enable the "Cheat mode" code. Then at the cheat menu, press L1, R1, L2, R2, L1, R1, L2, R2. If you entered the code correctly you will hear a sound.