Ben 10: Ultimate Alien - Cosmic Destruction is English (USA) varient and is the best copy available online. Ben 10: Ultimate Alien - Cosmic Destruction ROM for Nintendo DS download requires a emulator to play the game offline. Ben 10: Ultimate Alien - Cosmic Destruction game is available to play online and download for free only at Romsget.Take control of Ben and his new Ultimatrix to unlock powerful 'Ultimate' versions of established aliens. Take control of Ben and 15 new alien forms from the ULTIMATE ALIEN series and travel through various real world locations such as Tokyo, Paris, and Rome in the new 3-D action-adventure game BEN 10 ULTIMATE ALIEN™: COSMIC DESTRUCTION.