All weapons
While playing press L1 R2 R2 L1 R1 L2 L1 R2 L2 R2
All weapons
During the gamepress L1R2R2L1R1L2L1R2L2R2
By the way guys you might have to try it more than once becuase sometimes it doesnt work
GameShark Codes
Master Code Must Be On EC8857B4 1456E60A
Infinite Health 4C298C4E 145625C5
Infinite Level Up Points 3CD4ADB4 1456E79F
Have all weapons
During Gameplay press L1R2R2L1R1L2L1R2L2R2