Psx - Highly Compressed Roms ^hot^

| Format | Compression Ratio | Best For | Features | |--------|------------------|----------|-----------| | | Excellent (50-70% smaller) | PSX on PSP, Vita, & RetroArch | Can compress multi-disc games into a single file | | CHD (Compressed Hunks of Data) | Very Good (40-60%) | Modern emulators (MAME, DuckStation) | Lossless, perfect for large libraries | | 7z / ZIP | Good | Storage & downloading | Must be extracted before playing (not bootable) |