The following are known Action Replay Codes for C-12: Final Resistance on Sony Playstation (PS1).

The codes should work with the region specified but may work for other regions as well.

Device Compatibility: Action Replay, CodeBreaker & GameShark

Infinite Health
800F38D803E8

Have Shields
800F39000004

Infinite Shield
800F38E403E8

Have AG 35
800F38FC0001
800F38FEFFFF

Infinite Ammo AG 35
800F38EC03E7
800F38EE03E7

Have Alien Plasma
800F39340001
800F3936FFFF

Inf Ammo Plasma
800F38F603E7

Have Ion Cannon
800F39380001
800F393AFFFF

Inf Ammo Ion Cannon
800F38F403E7

Have XK 50
800F393C0001
800F393EFFFF

Infinite Ammo XK 50
800F38F203E7

Have RV 40
800F39400001
800F3942FFFF

Infinite Ammo RV 40
800F38F003E7