Codes
Press Select to go to inventory screen, then enter the following:
| All Weapons | L1, Triangle, R2, L2, L2, R2, Circle, L1 |
| Stage Skip | L2, R2, L1, Circle, Triangle, L1, R2, L2 |
PAL Version cheat codes
For PAL version users, go to the inventory screen, then type in these:
| L1, Triangle, L2, R2*2, L2, O, L1 | All weapons/ammo |
| L2, R2, Triangle, L1*2, O, R2, L2 | Level Skip |