Highly compressed versions (500MB) are typically achieved by stripping non-essential data like high-quality audio or FMVs. Use the PPSSPP Emulator for Android or PC.
The "500MB Upd" (Update) versions are typically distributed as (Compressed ISO) or highly packed Standard Size naruto ultimate ninja impact highly compressed 500mb upd
A: Mostly, yes. But real PSPs have slow memory sticks. The downsampled videos might stutter on a real PSP-1000. It runs perfectly on PSP-3000 or PS Vita's Adrenaline. Highly compressed versions (500MB) are typically achieved by