Tarzan

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.