Reports suggest the cancellation was primarily due to technical limitations; the PSP hardware allegedly struggled to render the game's massive 80-square-mile open-world Metropolis while maintaining the high-speed flight mechanics that were the core of the console experience. Why You Might See "Reviews" or "Links" Online
Electronic Arts (EA) Tiburon was the developer, but the PSP version was scrapped, reportedly due to the handheld's hardware limitations in handling the game's open-world Metropolis. Released Platforms: superman returns psp rom link