The following are known Action Replay Codes for X-Men: Children of the Atom 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

Full Power Bar P1
8003b6ec008e

Full Power Bar P2
8003baec00e8

Infinite Health P1
8003b6e8008f

Infinite Health P2
8003bae8008f