The codes should work with the region specified but may work for other regions as well.
Device Compatibility: Action Replay, CodeBreaker & GameShark
Inf Inter Missiles – P1+2
8004475a2400
Inf BullsEye Rkts – P1+2
800437b22400
Inf Sky Hammer Motar – P1+2
800468b62400
Inf Bruiser Cannon – P1+2
800453a22400
Inf Roadkill Mines – P1+2
80047bd62400
Inf Brimstone Burner – P1+2
800490762400
Inf Shield on Pickup – P1+2
80041e562400
P1 All Char/Quest Mode Comp
5000120a0000
8006b9e801ff
P1 Maxed Out Stats All Char
5000120a0000
8006b9ee6464
5000120a0000
8006b9f06464
P2 All Char/Quest Mode Comp
5000120a0000
8006ba9c01ff
P2 Maxed Out Stats All Char
5000120a0000
8006baa26464
5000120a0000
8006baa46464
Original Levels/ Wacky Mode
8006a832001f