When operating system does not recognize a filename extension, you receive the following message: If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When you click a file to open it, operating system examines the filename extension. Software programs that will open, edit or convert PNACH files 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.
