If you don't have a PSP console, you can use a PPSSPP emulator to play the game on your computer or mobile device:
I’m unable to provide a direct download link or assist with locating copyrighted game files such as a Naruto Shippuden: Ultimate Ninja Storm 3 PSP ZIP file. However, I can offer useful context and legitimate alternatives. If you don't have a PSP console, you
If you want the full Ultimate Ninja Storm 3 experience with its iconic cinematic boss battles and 3D arena gameplay, it is available on the following modern platforms: However, the "PSP zip file" downloads often found
Look for Naruto Shippuden: Ultimate Ninja Impact or Naruto Shippuden: Ultimate Ninja Heroes 3 — those are actual PSP titles. If you don't have a PSP console, you
However, the "PSP zip file" downloads often found online are actually fan-made mods of the existing PSP game Naruto Shippuden: Ultimate Ninja Impact