Skip Level:

Pick the Electro-Cosh on the Weapons Select screen and press L1, R1, L1, R1, X, X, Circle, Circle, Square, Circle

Be Invincible:

Pick the Electro-Cosh on the Weapons Select screen and press L1, R1, L1, R1, X, Circle, Circle, X, Square, Triangle

Pick Level:

Pick the Electro-Cosh on the Weapons Select screen and press L1, R1, L1, R1, X, X, Circle, Circle, Square, Square

Unlimited Ammo:

Pick the Electro-Cosh on the Weapons Select screen and press L1, R1, L1, R1, X, Circle, Circle, X, Square, Square

Deal out 2X Damage:

Pick the Electro-Cosh on the Weapons Select screen and press L1, R1, L1, R1, X, Circle, Circle, X, Triangle, Triangle

Kill With one Hit:

Pick the Electro-Cosh on the Weapons Select screen and press L1, R1, L1, R1, X, Circle, Circle, X, X, X

Get Floating Camera View:

Pick the Electro-Cosh on the Weapons Select screen and press L1, R1, L1, R1, X, Circle, Circle, X, Triangle, Square

Auto Focus On Enemies:

Pick the Electro-Cosh on the Weapons Select screen and press L1, R1, L1, R1, X, Circle, Circle, X, Circle, X

Get Big Heads:

Pick the Electro-Cosh on the Weapons Select screen and press L1, R1, L1, R1, X, Circle, Circle, X, Circle, Circle