Double Damage:
Select the Electro Cosh and press L1, R1, L1, R1, X, Circle, Circle, X, Triangle, Triangle.

Auto-Focus Mode:
Select the Electro Cosh and press L1, R1, L1, R1, X, Circle, Circle, X, Circle, X.

Detach Camera:
Select the Electro Cosh and press L1, R1, L1, R1, X, Circle, Circle, X, Triangle, Square.

Unlock All Sections:
Press L1, R1, L1, R1, X, X, Circle, Circle, Square, Square. Works for any game that's "in progress".

Unlimited Ammo:
Select the Electro Cosh and press L1, R1, L1, R1, X, Circle, Circle, X, Square, Square.

Big Head Mode:
Select the Electro Cosh and press L1, R1, L1, R1, X, Circle, Circle, X, Circle, Circle.

Hand of God Mode:
Select the Electro Cosh and press L1, R1, L1, R1, X, Circle, Circle, X, X, X. This gives you one-hit kills with the Electro Cosh.

Level Skip:
Press L1, R1, L1, R1, X, X, Circle, Circle, Square, Circle. Works for any game that's "in progress".