Spawn: The Eternal

Invisibility and Level Skip

Pause the game and enter any of the following codes:
Invisibility: Simultaneously press and hold L1 and R1 and press Square, Square, Cir, Cir, Tri, Tri, X. Unpause the game and you will be invisible.
Level Skip: Simultaneously press and hold L1, R1, L2, and R2 and press Tri, X, Square, Cir, Cir, Cir to skip to the next level.