Enter the following cheats by selecting the Electro Cosh at the Weapons Select screen and pressing the correct button sequence:
Effect: Code
Auto-Focus Mode: L, R, L, R, A, B, B, A, B, A
Big Head Mode: L, R, L, R, A, B, B, A, B, B
Detach Camera: L, R, L, R, A, B, B, A, Y, X
Double Damage: L, R, L, R, A, B, B, A, Y, Y
Hand of God Mode: L, R, L, R, A, B, B, A, A, A
Infinite Ammo: L, R, L, R, A, B, B, A, X, X
Invulnerability: L, R, L, R, A, B, B, A, X, Y
Skip to Next Level: L, R, L, R, A, A, B, B, X, B
Unlock All Sections: L, R, L, R, A, A, B, B, X, X