Activating too many cheats at once can overflow the PS2's memory. Limit yourself to 2 or 3 critical codes (like Infinite Health or Max Money).
For emulator users, this is the gold standard. action replay ps2 europe iso
Originally, the Action Replay was a "boot disc" that would stay in the tray while you selected cheats, only to be swapped for the game disc once the codes were active. Activating too many cheats at once can overflow
Instead of running the ISO, use the built-in Cheat Device for PS2 homebrew application, or enable OPL's native cheat engine. OPL accepts raw unencrypted codes directly, bypassing the need to boot a bulky Action Replay ISO. Originally, the Action Replay was a "boot disc"
Press the required button on your controller (usually Start or X) within the Action Replay menu to launch the game with active cheats. Running the ISO on Original PS2 Hardware
Once your cheats are selected, the software will prompt you to insert the game disc. In PCSX2, do not close the emulator. Simply go back to CDVD > ISO Selector , choose your PAL game ISO, and press the corresponding button on your controller to start the game. Alternative Solutions for Modern Retro Gamers
OPL has built-in cheat support using a file engine called .