The codes should work with the region specified but may work for other regions as well.
Device Compatibility: Action Replay, CodeBreaker & GameShark
Infinite Rockets
800ab3b003e7
Infinite Shotgun Shells
800ab3a803e7
Map
800ab34c0001
Rapid Fire
800ab3f80001
Rocket Launcher
800ab3940001
Shotgun
800ab3880001
Super Shotgun
800ab38c0001
BFG 9000
800ab39c0001
Blue Key
800ab3580001
Chaingun
800ab3900001
Chainsaw
800ab3a00001
Infinite Armor
800ab3340064
Infinite Bullets
800ab3a403e7
Infinite Plasma
800ab3ac03e7
Plasma Rifle
800ab3980001
Red Key
800ab3540001
Yellow Key
800ab35c0001
Have All Guns
500007040000
800ab3880001
Infinite Ammo
500004040000
800ab3a403e7