If you are looking for the Dark Knight's adventures on the original PSP, your options are limited to official titles or emulating the companion game on newer hardware. Why You Can’t Find a PSP ISO
There is no official ISO for the Sony PlayStation Portable (PSP). While the mainline game was a massive hit on home consoles, its handheld companion, Batman: Arkham Origins Blackgate , was only released for the PlayStation Vita and Nintendo 3DS . Batman Arkham Origins Psp Iso
The portable version, Blackgate , was a 2.5D "Metroidvania" style game designed for the PS Vita, 3DS, and eventually PC/PS3/Xbox 360. If you are looking for the Dark Knight's