Pause the game, then hold L2 or R2 buttons then enter the codes.
Infinite Lives | Up, Up, Down, Right, Triangle, Down |
Invulnerable | Left, Right, Triangle, Down, Left, Right |
One Liners | Triangle, Left, Circle, Up, Down |
Rambling Gex | Down, Right, Up, Down, Right, Left, Right, Down, Down |
Timer | Right, Right, Right, Left, Triangle, X |