While playing a game, press X to display the team menu. Next, hold Select, press Left Analog-stick Up and rotate it clockwise three times, then immediately rotate it anti-clockwise three times, while continuing to hold Select. Note: Your selected character will run around when this is done. While in the same menu, you should notice that a new icon has appeared under the log icon in the lower right hand corner of the screen. Highlight it and press X to display the cheat menu. The cheat menu allows all weapons, unlimited health, unlimited weapon energy, warp to the last level, and level selection.
Game Shark Codes
Master Code (Must Be On) EC8783A8 14411AB4
Infinite Health Carter 4DA81A0E 145625DD
Infinite Ammo Carter 4DA8F70E 145625DD
Infinite Health Andre 4DA77E8E 145625DD
Infinite Ammo Andre 4DA77E6E 145625DD
Infinite Health Moniko 4DA777AE 145625DD
Infinite Ammo Moniko 4DA7778E 145625DD
Infinite Health Amber 4DA77B1E 145624B3
Infinite Ammo Amber 4DA77BFE 145625DD