Users first needed a modded console—usually requiring Custom Firmware (CFW) or a "JB" (Jailbreak) patch. This created a divide in the community: those on Official Firmware (OFW) and those on CFW
For the San Andreas community, this was the skeleton key. Mod menus were not simply "drag and drop" files. They were modified versions of the game’s executable (EBOOT.BIN) repackaged into a .pkg installer. When a user installed a mod menu PKG, they were essentially overwriting the developer’s original code with a customized version that injected scripts into the game’s memory upon booting. Gta San Andreas Mod Menu Ps3 Pkg