For this article, when we say "highly compressed best," we are usually referring to files or ultra-efficient .7z archives of the original disc.

Supported by PCSX2. It provides excellent compression (especially on "Ultra" settings), and the emulator builds an index so it plays with no speed difference after the first load. Recommended Tools

Games with large amounts of unused space or simple textures often see the biggest reductions: Fighting Games: Titles like The Rumble Fish can shrink from a 4GB ISO to under because they are heavily padded with dummy data. Arcade Ports:

Some popular compression tools for PS2 games include: