: If you own a PlayStation 4 or 5 and a copy of the Nathan Drake Collection or Legacy of Thieves , you can stream the game to your phone or tablet. Vita3K Emulator

The "highly compressed" files often found online are typically one of three things: Fan-Made Clones/Mods:

This blog post addresses the common search for "Uncharted PSP Highly Compressed" and provides factual clarity on what exists and what to avoid. on PSP: The "Highly Compressed" Truth You Need to Know

However, compression has limits. You cannot compress a PS3-level game down to a few dozen megabytes without destroying all data. A working “highly compressed” file would still need to be decompressed back to its original size to run—which the PSP cannot do for an Uncharted title.