Legitimate options for PSP game preservation include:

If you're interested in joining a PSP ISO club, here are some ways to find them:

The phrase likely refers to a specific community, website, or tag used within the PlayStation Portable (PSP) emulation and modding scene.

A legitimate "Extra Quality" ISO for a major game (like Final Fantasy Type-0 or Grand Theft Auto: Liberty City Stories ) should generally be between 800MB and 1.6GB. If it’s significantly smaller, it’s likely a "ripped" version. Final Thoughts