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Ben 10: Omniverse video game was never officially released for the PlayStation Portable (PSP)

Leo stared at his aging PSP-3000, the silver casing scratched from years of use. He was on a mission. He knew Ben 10: Omniverse had been released for the Wii, DS, and PlayStation 3, but the internet whispered rumors of a legendary "ISO portable" version—a fan-made port or a compressed file that could run on the handheld.

Since Omniverse isn't an option, these are the top-rated official ISOs you should look for to get your alien-shifting fix: Ben 10: Protector of Earth : The classic brawler that started it all on handheld. Ben 10: Alien Force

By the time Ben 10: Omniverse was released in late 2012, support for the PSP had largely shifted toward the PlayStation Vita and other next-generation handhelds like the Nintendo 3DS.

Below is a blog post guide to the best Ben 10 games available on the PSP and how to play them. Ultimate Guide: Playing Ben 10 on Your PSP