Modern archive formats can squeeze a 600MB .bin file into 300MB or less for storage, though you must extract them to play.
Extreme compression achieved by removing "heavy" assets like FMV (Full Motion Video) cutscenes or CD-quality music. psx highly compressed roms hot
The gold standard. It is lossless , meaning you don't lose any game data, and you can even convert it back to the original files later. Most modern emulators like DuckStation and RetroArch’s SwanStation core love this format. Modern archive formats can squeeze a 600MB