Today, you can play every mainline Resident Evil on a modern smartphone via emulation, or on a modded PS Vita with adrenaline. The PSP’s limitations are gone.
From a legal angle: downloading any commercial Resident Evil ISO, compressed or not, is copyright infringement. Capcom has never released a native Resident Evil game for PSP (except via PS1 Classics). The search for "highly compressed" usually leads to either disappointment or a DMCA notice. resident evil psp iso highly compressed
: High-stakes survival in Raccoon City. ⚡ How to Play and Optimize Today, you can play every mainline Resident Evil