The PlayStation Portable (PSP) might be retired, but its library of legendary RPGs, action titles, and hidden gems is still very much alive. If you’ve recently dusted off your old console or installed an emulator like PPSSPP on your Android or PC, you’ve likely run into two strange file extensions: .ISO and .CSO .
The PlayStation Portable (PSP) might be retired, but its library of legendary RPGs, action titles, and hidden gems is still very much alive. If you’ve recently dusted off your old console or installed an emulator like PPSSPP on your Android or PC, you’ve likely run into two strange file extensions: .ISO and .CSO .