Many compressed ISOs are "pre-patched" to run smoother on mobile hardware.
Emulators like PCSX2 can read ISOs compressed with Gzip, which can significantly reduce size without losing game data, though the first boot may take longer while the emulator indexes the file. Many compressed ISOs are "pre-patched" to run smoother
Using advanced compression techniques, PS2 game ISOs can be significantly reduced in size, making them easier to store and transfer. This allows gamers to carry their favorite games, including NFS: Most Wanted Black Edition, on a portable device, such as a USB drive or smartphone. including NFS: Most Wanted Black Edition
: A legal copy of your PS2's BIOS is required for emulation. 2. Compress to CHD Format on a portable device