Batman Arkham City PSP ISO Link: Separating Fact from Fiction
If you want to play the actual game, it is widely available on modern platforms: Available as the Game of the Year Edition on Steam Playable on PlayStation 4/5 and Xbox One/Series X|S via the Batman: Return to Arkham collection. Available on the Nintendo Switch as part of the Batman: Arkham Trilogy different Batman game batman+arkham+city+psp+iso+link
If you want an authentic, narrative-driven handheld Arkham experience, you will need to look slightly beyond the original PSP hardware to newer portable platforms. Batman Arkham City PSP ISO Link: Separating Fact