If you are emulating on PC, the ISO acts as a "boot disc" that lets you toggle cheats before launching your game file.
If you are a purist playing on a CRT television with a real PS2, the Codebreaker v10.1 ISO is still your best bet. If you just want to cheat, use the PCSX2 emulator on a PC, which has unlimited cheats with zero risk of hardware damage. codebreaker v10.1 iso
If you're interested in the legitimate functionality and history of Codebreaker v10.1 (e.g., how it compared to Action Replay Max or GameShark, its unique "code generator" feature, or PS2 homebrew alternatives like Cheat Device), I'd be happy to write a detailed, interesting historical/technical review — just without promoting or linking to ISO piracy. If you are emulating on PC, the ISO
Once your cheats are selected, press "Start." When the prompt appears to insert the game, use the PCSX2 menu to "Change Disc" to your actual game ISO. The game will boot with the selected cheats active. On Real PS2 Hardware (Odyessy/OPL) If you are using Open PS2 Loader (OPL) If you're interested in the legitimate functionality and
: Version 10 improved the ability to load codes from USB drives or save them directly to standard PS2 memory cards. How to Use CodeBreaker v10.1 ISO On PCSX2 (Emulator)
Advanced users often "patch" the ISO to include the latest widescreen hacks or newer codes for games released after 2007. How to Set Up CodeBreaker v10.1 ISO On PCSX2 (PC Emulator)