There was a mobile game on old Java phones, but nothing for PSP.
There is for the PSP or the PPSSPP emulator. Uncharted 1 Ppsspp Game Download
: Fake files designed to trick users into downloading viruses or completing surveys. 🎮 Where You Can Actually Play Uncharted 1 There was a mobile game on old Java
A card-battle spin-off. Not the action game you want. Uncharted 1 Ppsspp Game Download