Transform into powerful aliens like Rath and Ultimate Swampfire as you battle through iconic locations from Paris to Tokyo to stop Aggregor’s cosmic rampage in Ben 10 Ultimate Alien: Cosmic Destruction for Sony PSP. Join Ben Tennyson as he unlocks new alien abilities and faces off against formidable foes such as Ultimate Humungousaur and Evil Way Big. Master unique platforming challenges and puzzle-solving mechanics while exploring famous landmarks and uncovering hidden secrets throughout your intergalactic adventure.