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Ben 10 Ultimate Alien Games Take the Galactic Challenge! Master 20 mini-games featuring aliens like Swampfire, Ultimate Big Chill, Humungousaur, Waterhazard, Spidermonkey, Jetray, Ultimate Cannobolt, Ultimate Echo Echo and Brainstorm. Then check out the Ben 10 Game Creator to build your own levels and share them with your friends. Only the ultimate player can beat all 20 games with all 10 aliens.
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