Play Ben 10 Ultimate Alien: Cosmic Destruction online in your browser and enjoy with Emulator Games Online! Ben 10 Ultimate Alien: Cosmic Destruction is NDS game USA region version that you can play free on our site. This game has adventure, action, anime genres for Nintendo DS console and is one of a series of Alien games. If you love Alien games you can also find other games on our site with Retro Games. Below you will find control for the emulator to play Ben 10 Ultimate Alien: Cosmic Destruction.