Once you have your highly compressed .cso or .iso file, here’s how to run the "best" version.

Before downloading, ensure the ROM matches your requirements:

If you see files online claiming to be a "San Andreas PSP ROM," they are typically one of the following:

Grand Theft Auto: San Andreas was never officially released for the PSP . Rockstar Games released GTA: Liberty City Stories and GTA: Vice City Stories on PSP, but not San Andreas.