Psiphon is one of the enemies of Ben 10 stormed the underground city. Ben picked up his forces to try to stop it and prevent capture the city. On the base you will find an instructor who learned to manage a huge robot. Carefully review the management and practice on holograms. After training go to the front line and destroy enemies. In addition to your arsenal of blasters, and there is a transformation that will shoot down enemies off their feet with a large shield. Move on the locations and get to the boss in the game Ben 10: The Return of the psiphon.