The Codebreaker 101 ELF is a of commercial software. While using it on hardware you own is generally considered acceptable within the retro‑gaming community, you should be aware of the following:
Disclaimer: Always scan downloaded ELF files with reputable antivirus software. How to Install CodeBreaker 10.1 ELF on PS2 (Step-by-Step) codebreaker 101 elf ps2 download link
Instead of inserting a disc, exit back to the PS2 browser or uLaunchELF. (The cheats remain resident in the PS2's RAM). The Codebreaker 101 ELF is a of commercial software