was never officially released for the PlayStation Portable (PSP), so an authentic "PPSSPP" version of the game does not exist. Any zip files or ISOs claiming to be Red Dead Redemption for PPSSPP are usually fan-made "mods" of other games (like Gun ) or deceptive files.
To run Red Dead Redemption smoothly on PPSSPP:
You're looking for information on downloading Red Dead Redemption on PPSSPP via a ZIP file. Here's what you need to know: