Original PlayStation discs held up to 650MB of data. In the early 2000s, when dial-up and slow broadband ruled the internet, downloading a 600MB file took days. To fix this, uploaders created "highly compressed" rips. The Problem with Early "Rips"
When searching for highly compressed ROMs, you may encounter these older, often "broken" formats: PBP (EBOOT): psx highly compressed roms fixed
Traditional PSX games are ripped as .bin and .cue files, or .iso formats, often averaging 500MB to 700MB per disc. Highly compressed versions use advanced archiving tools to shrink these files down to a fraction of their size—sometimes as small as 50MB to 100MB. Why Do Unfixed Compressed ROMs Fail? Original PlayStation discs held up to 650MB of data