: If you are using an emulator like PCSX2 or playing via OPL (Open PS2 Loader), you can compress a standard ISO into a CSO (Compressed ISO) . This reduces the file size without removing any game content.
was the final official release for the console, the community often focuses on these fan favorites: pes ps2 highly compressed
| Game | Original Size | Compressed Size (CHD/CSO) | Quality | | :--- | :--- | :--- | :--- | | | 680MB | 118MB | Lossless (Audio intact) | | Metal Gear Solid (PS1) | 510MB | 87MB | Lossless | | Final Fantasy XII (PS2) | 5.2GB | 1.9GB (CSO Lv 9) | Lossy (FMVs pixelated) | | Persona 4 (PS2) | 4.3GB | 1.4GB | Lossless (various zero data) | | Tekken 3 (PS1) | 450MB | 59MB | Lossy (Removed CD audio) | : If you are using an emulator like