Army Men: Sarge's Heroes

All Enemies Nuked
Pause then Press: Left, Left, Right, Right, Circle, Square.
(Thanks to morgy31@hotmail.com)

Bloody Chunks Mode
Pause then Press: L1, Up, Down, Left, Right.
(Thanks to morgy31@hotmail.com)

Infinite Ammo and All Weapons Except Mines and Minesweeper
Press: Square, Circle, R1, L1.
(Thanks to vlamarche@cogeco.ca)

Invincibility
At the Main Menu, hold R1 + L1 and Press: Square, Triangle, Right, Left, Circle, Square, Square, Right.
(Thanks to morgy31@hotmail.com)

Level Select
At the Main Menu, hold Square + L1 + R1 and Press: Up, Down, Left, Right.
(Thanks to morgy31@hotmail.com)

Obtain Rockets
Enter: RDGLR.
(Thanks to morgy31@hotmail.com)