GameShark for the PS1 isn't a game ROM itself, but a powerful used to inject cheat codes into games.

: Create a .txt file named after the game's serial (e.g., SLUS_008.92.txt for Final Fantasy VIII).

| Aspect | Rating | Notes | |--------|--------|-------| | Code support | ★★★★☆ | Most codes work, but some depend on exact game version (e.g., NTSC-U vs PAL). | | Ease of use | ★★★☆☆ | Emulator cheat menus are easier than booting a separate GameShark ISO. | | Compatibility | ★★★★☆ | Works with 95%+ of games in DuckStation / ePSXe. | | Stability | ★★★☆☆ | Some codes (e.g., "walk through walls") can crash the emulator. |

: Use the Cheat Codes option during gameplay to toggle them on or off. RetroArch

: Check the box next to the desired cheat and restart the game to ensure they hook in correctly. ePSXe (Android & PC)

– Some tools let you permanently apply GameShark codes to a ROM file (i.e., modify the ISO). This isn't common for PS1 because emulators make it unnecessary.