Originally a PSP standard, it is also supported by PS2 emulators. It provides similar compression to GZ but is often faster to open as it doesn't require separate indexing.
Ultimately, the search for "highly compressed high quality" PS2 ISOs is a digital paradox. It reflects a user base that wants the best of both worlds—the cinematic quality of the PS2 era and the convenience of modern, tiny file sizes. Yet, in the world of data, there is no free lunch. The "top" files are rarely the smallest, and the smallest files rarely deliver the authentic experience. As storage becomes cheaper and internet speeds increase, the necessity for such drastic compression is fading, leaving the pursuit of these files as a relic of a transitionary period in gaming history—a lesson that quality is rarely ps2 iso highly compressed high quality top