Ape Escape

Invincibility:
Pause gameplay and press UP(x6), Triangle(x2), Circle, X(x3), Square, DOWN, UP, RIGHT, LEFT.

99 Explosive Bullets:
Pause gameplay and press R2, DOWN, L2, UP, RIGHT, DOWN, RIGHT, LEFT.

Debug Mode:
Pause gameplay, hold L1 and press DOWN(x2), Triangle.

Play as a Monkey:
During gameplay, press Triangle(x2), Circle(x5).

 