Sony Playstation 1 Game Shark Cartridge Only

In good working condition.

Gameshark (Playstation / PS1) – RetroMTL

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Just found my uncles old PSOne stuff. Anywhere I can find good games. Also what's the best/your favorite driving game? : r/psx

PS1 Game Shark Cartridge Only for Sony Playstation - InterAct

How do you use the GameShark cartridge for backups? I have the lid button taped down, and original game in, but the disc never stops spinning to allow swapping in the backup.

EnHacklopedia » Individual Systems » Hacking Playstation

What is your favorite video game cheating device (e.g., Game Genie, GameShark, Action Replay)? - Quora

In good working condition.

Sony Playstation 1 Game Shark Cartridge Only