To run Code Breaker v7.0+ on a real PS2 with digital backups, you must redirect its "Start Game" function to your backup loader (like OPL). : Find your OPL.elf file on your memory card or USB.
The most reliable "fix" is to use a modified .ELF (executable) version of Code Breaker v7.0. The community has released "patched" versions that: Remove the RSA signature checks. Bypass the hardware splash screens that cause freezes. code breaker ps2 v7 0 fix free
The "Fix Free" part of the name indicates that this version is a free, fixed solution that doesn't require any additional purchases or subscriptions. You can download and use it without any extra costs. To run Code Breaker v7