The following are known Action Replay Codes for Iron Man / X-O Manowar in Heavy Metal 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 Armor – Iron Man
80092324001e

Infinite Boost – Iron Man
8001d66c2400

Infinite Armor – XO
800923240023

Infinite Boost – XO
8002583c2400

Infinite Lives
8001d9902400
8001d9922400