Psyphon and his evil alien crew are trying to destroy Undertown! To protect the city, Ben must navigate a slew of hazards while collecting enough strength to fight Psyphon’s henchmen in hand-to-hand combat. Use the Omnitrix to transform into your favorite aliens and increase their power with Omniboxes. Can you help Ben defeat Psyphon and save Undertown? -------------- ★ Avoid bombs, missiles and other dangers! ★ Collect Omnitrix power and bonuses as you go! ★ Fight 12 evil aliens in fierce boss