The following are known Action Replay Codes for Power Stone 2 on SEGA Dreamcast (Dreamcast). These codes were also known as GameShark Codes and in most cases will work on both devices.

Device Compatibility: Action Replay & GameShark

(M) Must Be First
9C5D88F8

(M) Must Be Last
245EECA9

Have All Items
D9A83B25
E0715041
C070D2C3

Inf All Items
BC7D6C31
E0715041
2070504D

Infinite Money
64EC460D
05F5E0FF

Have All Materials/Essences
A46F4153
E06D9041
C070D043

Inf All Materials/Essences
A46F4151
E06D9041
E0705040

Have All Text
41A86898
E06D9041
C070D043