The following are known Action Replay Codes for Darkstalkers 3 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 P1
801c0e540120
801c0e560120

Infinite Health P2
801c12280120
801c122a0120

Sudden Death Mode P1
d01c38e85a01
801c0e560001

Sudden Death Mode P2
d01c38e85a01
801c122a0001