Vilgax is determined to get the Omnitrix back and he is sending his best men to retrieve it from Ben Tennyson. Ben has to do something before Earth turns into a huge battlefield. Ben heads into space to stop the alien armada from entering the Earth's atmosphere. Luckily, he has the perfect alien in mind to deal these bunch. Steer Gravechill through the battlefield whilst evading hail of bullets and beams towards him. You will find numerous power ups along the way so be sure to pick them up to maximize your firepower for full damage. Enjoy a crazy shooting game with Ben and Gravechill in Ben 10: Ultimate Big Chill.