Not all games compress equally. Here is a breakdown based on compression success rates:
There are two primary modern standards used for PSX game compression. Both are widely supported by popular emulators like DuckStation, RetroArch (PCSX ReARMed, Beetle PSX), and ePSXe. Best Use Case Key Features Compressed Hunks of Data General emulation & preservation psx games highly compressed
: Originally designed by Sony for official PS1 classics on the PSP. Not all games compress equally
Developers often added "junk data" to the outer edges of a physical CD to speed up loading times on original hardware. Compression tools can safely remove this 0-byte data. Audio/Video Ripping: Best Use Case Key Features Compressed Hunks of
Some PS1 games were naturally small due to efficient coding or a lack of heavy FMVs and CD-audio. Vagrant Story Approximately 93 MB. Ridge Racer
Used primarily for distribution. These formats offer the highest possible compression for downloading, but they must be decompressed back to BIN/CUE before most emulators can play them. Essential Tools for the Job