Expendable (PSX)

God mode:
Pause the game, and then hit: Left, Right, Left, Right, L1, R1, L1, R1.


Extra lives:
Pause the game, and then hit: Square, Down, Right, Circle, Square, Left, Up, X.


Extra continues:
Pause the game, and then hit: X, Up, Down, Triangle, Circle, Circle, Circle, L1.


First-person view:
Pause the game, and then hit: L1, Up, Left, Triangle, X, L2, R1, L2.


Level select:
Pause the game, and then hit: Up, Down, Right, Left, X, X, X, Triangle.