Do not use these cheats online. The PS2 online servers are community-run (XLink Kai), but using obvious cheats (infinite health, speed hacks) ruins the experience for the 10 people still playing SOCOM II .
Obtain the Codebreaker v10.1 ISO from a trusted source. download codebreaker v101 ps2 iso updated
The process varies depending on whether you are using a physical console or an emulator. On PCSX2 Emulator (2025 Method) Do not use these cheats online
Compatible with FreeMcBoot (FMCB), OPL, and internal PS2 HDDs. but using obvious cheats (infinite health
The original Codebreaker disc held roughly 15,000 codes. The community-updated "V101" packs include over 50,000 codes covering obscure Japanese imports, European exclusives, and the entire North American library up to 2010.