Transform, battle and level up in the all-new free game BEN 10 Ultimate Alien: Xenodrome! Play as Ben Tennyson, unlock your favorite aliens and use their skills to stop evils like Aggregor, Forever Knights, Charmcaster, and even some secret Ultimate Foes from across the galaxy. Enjoy solo story mode or battle against other players! Endless gameplay and rewards! BEN 10 Ultimate Alien: Xenodrome is packed with challenges and bosses to test your skills.