Ben 10 Alien Force: Vilgax Attacks - Sony PSP Take control of Ben and the Omnitrix as you embark on an adventure into outer space and to new alien home planets Employ 10 of Ben's amazing alien forms: Echo Echo, Goop, Brainstorm, Chromastone, Big Chill, Humungousaur, Spidermonkey, Swampfire, Jet Ray and Cannonbolt Explore an amazing original storyline that will have you using your powers to thwart a villainous attempt at intergalactic conquest Battle a variety of Ben's most notorious foes, including his ultimate nemesis, Vilgax Enjoy art and sound effects designed to resemble the TV series, as well as voice acting provided by the original television cast