Using a Code Breaker ISO typically requires a "disc swap" process, whether on original hardware or emulators. On Emulator (PCSX2 / AetherSX2) Launch ISO: Load the Code Breaker ISO in your emulator. Select Cheats:
In the PCSX2 menu, go to and choose your actual game ISO. Go to System > Change Disc (or "Swap Disc"). code breaker ps2 iso
If the game boots fine but none of your selected modifications are active, it is almost always a regional or version mismatch. Using a Code Breaker ISO typically requires a