is there any cheat device that is designed for playstation one, that is compatible with playstation 2?
is there any cheat device that is designed for playstation one, that is compatible with playstation 2?
The CD and Dongle (Memory Card) Based GameShark or Action Replay will work.
Maybe we should post known ones that work and won't work to help:
Gameshark CDX with green label and black card - doesn't work on PS2