Before proceeding, please note that modifying your console carries risks. Always back up your data.
Most files labeled Codebreaker PS3 PKG.pkg are one of three things:
Unlike the physical discs of the PS2 era, the Codebreaker for PS3 was never a mainstream, officially licensed product in the same way. Instead, it exists in the homebrew ecosystem as a software package installed directly onto the console’s XMB (XrossMediaBar).
: Not all PS2 games played on PS3 support cheat injection flawlessly. The Codebreaker PKG is a must-have utility
The Ultimate Guide to Codebreaker PS3 PKG Exclusive Cheat Tools