"Highly compressed" refers to ISO or CSO files where developers or modders have removed non-essential data to reduce the footprint.
However, in 2024, finding functional ROMs that don't eat up your entire storage device can be a nightmare. This is where the demand for files comes in. the godfather psp highly compressed
You're looking for a highly compressed version of The Godfather game for the PSP! "Highly compressed" refers to ISO or CSO files