This site is excellent for finding English-translated Japanese exclusives and "undub" versions of classic RPGs.
Move your .iso or .cso files directly into that ISO folder.
Here is a comprehensive guide on how to find these games and ensure they work perfectly on your handheld. Why Use ISO Format for PSP 3001? Why Use ISO Format for PSP 3001
Ensure your PSP 3001 is running 6.60 or 6.61 PRO-C or LME. These are "temporary" or "infinity" hacks that allow the "ISO" folder to be read.
If you are running out of space, use a tool like PSP ISO Compressor to turn ISOs into CSOs. Note that some high-end games (like God of War ) might stutter slightly in CSO format. If you are running out of space, use
You can carry dozens of games on a single 32GB or 64GB microSD card (using a Pro Duo adapter). Best Sources to Download PSP Games Safely
Look for "PSP ISO Redump" collections. These are verified, 1:1 copies of the original discs, ensuring maximum compatibility. How to Make ISO Games "Work" on Your PSP 3001 the slim 2000
Finding reliable sites to is the best way to breathe new life into your PlayStation Portable. Whether you have the classic PSP 1000, the slim 2000, or the popular PSP 3001 , running games via ISO files from a Memory Stick is the most efficient way to play without relying on noisy, slow UMD discs.