A common misconception is that compressed files lead to "stuttering" or longer load times. Because CHD uses a "Hunk" based system, the emulator only decompresses the specific part of the disc it needs to read at that exact moment.

Are you targeting a (USA, Europe, Japan) or a "Best Of" list?

No data is removed. When the emulator reads a CHD, it sees the exact data contained on the original disc.

What are you planning to play these on (PC, Steam Deck, Android)?

For those with high-speed connections, specialized emulation trackers often host organized CHD batches.

If you are using a high-end phone for PS2 emulation, CHD is essential for fitting more games onto an SD card. Summary of Benefits ISO Format CHD Format Size Large (Full disc size) Small (Compressed) Integrity 1:1 Copy (Lossless) Load Times Standard (Negligible CPU overhead) Compatibility Most modern emulators

Major emulators like PCSX2 and mobile options like NetherSX2 support CHD natively. You don't need to decompress the game to play it. How to Convert ISO to CHD