PNACH files include the game title, version of the game (e.g., SLUS), and the cheat code. it contains data that enables GameShark or Code Breaker codes, or other types of cheats. A PNACH file is a cheat code file used by PCSX2, a game emulator for PlayStation 2 games. PNACH file is a PCSX2 Patch File developed by PCSX2.
