The codes should work with the region specified but may work for other regions as well.
Device Compatibility: Action Replay, CodeBreaker & GameShark
Level Select
80010018000f
Assault Cannon
800950b2ffff
Assault Cannon Ammo
8009511203e7
Infinite Cells
8009510c03e7
Infinite Shells
8009511a03e7
Stouker Concussion Rifle
800950aeffff
Infinite Blaster Ammo
8009510803e7
Infinite Shields
800951280064
Auto-Gun
800950a2ffff
Blue Key
800950beffff
Infinite Health
8009512c0064
Infinite Mines
8009511c03e7
Infinite Thermal Detonators
8009511403e7
Jeron Fusion Cutter
800950aaffff
Packered Mortar Gun
800950a6ffff
Red Key
800950b6ffff
Yellow Key
800950baffff
Laser Rifle
8009509cffff