Level skip
While playing a game, hold L1 + R1 + R2 + Select and press X, Circle, Square, Triangle, X, Circle, Square, Triangle. -From: jeffkershner@yahoo.com
Bonus characters and level
Successfully complete campaign mode on the "I Can Win" difficulty setting. A bonus level and two hidden characters will appear after the credits. Successfully complete the bonus level to unlock it and the new characters in multi-player mode.
Pause in multi-player mode
Since the game does not have a pause option in multi-player mode, simply press Start, then highlight "Quit" and press X. Your game will be paused, but it will not quit unless you select "Yes". To resume the game, select "No".
Master Code (Must Be On) ECBB8E64 1456E60A
Max Machine Gun Ammo 4CFF0730 1456E404
Max Shotgun Ammo 4CFF0734 1456E404
Max Plasma Gun Ammo 4CFF0748 1456E404
Max Chain Gun Ammo 4CFF075C 1456E404
Max Grenade Launcher Ammo 4CFF0738 1456E404
Max Rocket Launcher Ammo 4CFF073C 1456E404
Max Frag Medals 4C002DEC 1456089C
Max Impressive Medals 4C002D1C 1456089C
Max Gauntlet Medals 4C002C4C 1456089C
Max Excellent Medals 4C002C7C 1456089C
Max Accuracy Medals 4C002CAC 1456089C
Max Perfect Medals 4C002CDC 1456089C
Max Flag Time 4C00ACCA 14561DA6
999 Frags 4CFF0468 1456E404
Never Been Killed 4CFF048C 1456E7A5
Extra Armor 0CFF0438 1456E7A5
4CFF0438 1456E7DD
0CE15EBC 1456E7A5
4CE15EBC 1456E7DD