Reduce a 4.3 GB game like God of War down to 1.2 GB or less.
: A standard compression format supported by 7-Zip . While effective, PCSX2 must create a temporary "index" file the first time you load a .gz game, which can cause a delay or a black screen in some frontends. ps2 iso roms highly compressed
Open a command prompt or terminal window in the folder containing your ISO file. Reduce a 4