In the game, press Start to pause, then hold the L2 or the R2 buttons. Us the following legend to spell out the below codes for the desired effects. Up=U or N, Down=D or S, Left=L or W, Right=R or E, Triangle=A, Circle=O, and X=X.

Infinite Lives: - Undead

Invulnerable: - Weasle

One Liners: - Aloud

Rambling Gex: - Senseless

Timer: - Earwax