Widely considered the "gold standard" for emulation. It is a format that can reduce file sizes to roughly 70% or even 1/3
If you are truly running out of space (e.g., on a PSP or low-end laptop), these are incredible games that end up under . ps2 games highly compressed best
Standard PS2 discs use a file system that leaves a lot of "dummy data" (empty files used to push data to the fast edge of the disc) and video files (FMVs) in raw formats. Widely considered the "gold standard" for emulation
These titles are famous for being small in size but massive in quality. Note that "compressed" often refers to RIP versions where non-essential data like extra languages or movie files are removed. on a PSP or low-end laptop)