On an emulator, you typically "swap" between the GameShark ISO and your game ISO to activate cheats.
GameShark was the premier "enhancement" device for the PS2. Unlike modern microtransactions, a single GameShark disc gave you access to thousands of codes for hundreds of games. Version 6 was a refined release that offered: Survive any encounter. Unlockables: Instantly access secret characters and levels. Game Shark Ps2 V6 Iso.717
: Includes a database of thousands of codes for popular titles like Final Fantasy Grand Theft Auto Resident Evil Save Manager On an emulator, you typically "swap" between the