Happy compressing!
A standard PS2 DVD holds 4.7 GB (single-layer) or 8.5 GB (dual-layer). If you want to store 50 of your favorite games, you are looking at . Enter the world of High Compressed PS2 Games —a solution that can shrink those massive ISOs down to 100 MB, 500 MB, or 1 GB without sacrificing the core gameplay experience. high compressed ps2 games
A: Using 7z with Ultra settings, you can get it down to ~1.8GB. Using CSO level 9, ~2.3GB. You cannot go lower without re-encoding the massive 6GB of video files. Happy compressing
Open Command Prompt in the folder containing chdman.exe and your ISO. Type: chdman createcd -i "game.iso" -o "game.chd" -c cdzl Enter the world of High Compressed PS2 Games
However, for modern gamers using PC emulators (like PCSX2), Steam Deck, Android devices (AetherSX2), or even modded PS2 consoles, there is one major problem:
Add the -cc zstd flag (if using newer CHDMan) for the highest ratio: chdman createcd -i "game.iso" -o "game.chd" -c zstd:lzma:cdzl