Standard .ISO files are uncompressed sector copies. By converting these files into formats like .CSO (Compressed ISO), .CHD (Compressed Hunks of Data), or packing them into .7z and .RAR archives, compression algorithms squeeze out redundant data. Top Highly Compressed PS2 Games Under 100MB
Use the CHDMAN tool to convert ISOs to CHD format. It is a lossless format supported by PCSX2 and AetherSX2 that can shrink files by up to 30-50% without losing quality. Highly Compressed Ps2 Games Under 100mb
The smallest playable compressed PS2 game you’ll find is around 150–200MB , and those are rare, stripped-down CD games. Standard