What is Codebreaker? Codebreaker is a popular cheat code manager for the PlayStation 2 (PS2) console. It allows users to input cheat codes for various PS2 games, enabling them to unlock special features, gain advantages, or access hidden content.
Swap the Disc: Once prompted to insert the game, go to CDVD > ISO Selector and choose your actual game ISO.
Auto-Redirect: Codebreaker will automatically launch the renamed OPL file. From there, just start your game as usual in OPL. For PCSX2 (Emulator)
Depending on whether you are using a physical console or an emulator, the setup varies: On PlayStation 2 (Hardware)