Cheat Menu:
In the game press the start button and enter R1,R1,R1,L1,L1,L2,L1,L2. This will unlock the Cheat
Menu.

CheckPoint Select:
In Pause mode enter R2,R2,L2,L1,R1,R1,R2,L1 to obtain the ability to select your checkpoints.

Endless Lives:
In Pause mode enter R1,R1,R1,R1,R1,L2,R2,L2.

Endless Health:
In Pause mode enter L2,L2,R2,L2,L2,L2,R1,L1.