Because the PSP hardware is not powerful enough to run a game of this scale, any "GTA 5 ISO" or "PPSSPP ZIP" file you find online is not the official game. These files are typically like GTA: Liberty City Stories or GTA: Vice City Stories that have been "skinned" to look like GTA 5. 🔍 What is a "GTA 5 PPSSPP" Mod?
Find the for the PPSSPP emulator.