Unlockables
Unlock Debug Mode:
During gameplay 'Pause' the game and hold L1 and quickly press Down, Down, Triangle.
Unlock Rear View Mirror:
During the Ski mini-game hold down L1 + R1.
Save a Life:
Before you are about to die when you fall of a cliff press 'Start' and exit the level and when you return to the level you will not have lost a life.
More tricks, tips and cheats for this game are right here - Ape Escape cheats
Comments for this cheat