Ps1 Roms Highly Compressed ((hot)) [DIRECT]

Not every game takes up space, but the heavy hitters need compression the most.

| Format | Average Size (of a 700MB game) | Emulator Support | Multi-Disc | Verdict | | :--- | :--- | :--- | :--- | :--- | | | ~280 MB | DuckStation, ePSXe, RetroArch, PS Vita | Yes (Best) | Winner for RPGs | | .CHD | ~350 MB | RetroArch, DuckStation, MAME | No (Needs .m3u) | Winner for Arcade/Action | | .ECM (Error Code Modeler) | ~380 MB (but needs extra tools) | Limited (requires conversion back to bin) | No | Outdated. Avoid. | Ps1 Roms Highly Compressed