Check region codes. A GameShark code for the USA version of Kingdom Hearts will not work on the EU (PAL) ROM. Also, ensure you are using the correct code type (Master codes must be enabled).
While Gameshark PS2 ROMs can be a fun and exciting way to play games, there are some risks and limitations to be aware of: Gameshark Ps2 Rom
Return to the PCSX2 main window. Navigate to the System menu and ensure that Enable Cheats is checked. When you run your game, check the logs again; you should see a confirmation message such as "Loaded X Cheats from '6A4EFE60.pnach'". If the codes do not activate, verify that the CRC matches exactly, that the codes have been correctly converted to RAW format, and that the .pnach file resides in the correct cheats directory. Check region codes
This is the closest experience to using the physical disc on a real console Obtain the ISO : Download a GameShark 2 ISO, such as GameShark 2 V2 Load the ISO : In your emulator (like ISO Selector and select the GameShark ISO Select Cheats While Gameshark PS2 ROMs can be a fun
Drop this file into the cheats folder inside your PCSX2 directory and ensure "Enable Cheats" is turned on under the emulator's system settings. Method 3: Hard-Patching GameShark Codes Into a PS2 ISO
GitHub has become a central hub for cheat code sharing in the emulation era. One prominent repository includes PS2 PNACH codes for a wide range of games, including Gran Turismo 4, Grand Theft Auto: San Andreas, and Need for Speed titles, along with detailed attributions to the original code creators.