After defeating Darkstar, Ben destroys the energy core. While reaching the energy core, Ben discovers that the enemy Grandpa Max was talking about was Darkstar. Ben defeats Charmcaster and destroys the energy core, Gwen and Kevin find Ben.Ben finds another Plumbers Insignia with a message from Grandpa Max stating that he had to attend to some urgent business on Encephalonus IV and that an old enemy of Ben's was also spotted there.Īrriving in Encephalonus IV, Ben is still wondering who the old enemy is there. Ben ends up encountering Charmcaster who unleashes some large stone monsters on Ben. Grandpa Max also claims that the energy core is located in a nearby temple. Upon arriving in Terradino, Ben encounters another Plumbers Insignia with a message from Grandpa Max stating that Vilgax's forces have taken over Terradino and found the energy core. After defeating them, Ben finds a Plumbers Insignia, Grandpa max appears on the Insignia (in hologram) telling him to go to a planet called Teradino to another mission. Shortly after defeating the Serpent, Ben ends up coming into conflict with the Vreedle brothers.
Upon arriving in Vulpin, Ben finds a Plumbers badge with a message from Grandpa Max stating that Vilgax's forces have already invaded Vulpin and are using the local refinery to create an unknown technology for Vilgax. To get to Vulpin, Ben calls Ship (a being similar to Ultra-T, but much smaller). Grandpa Max tells Ben, Gwen and Kevin so they can meet up with Grandpa Max on the planet Vulpin. Paradox goes back in time and brings a message from Grandpa Max. Just as he was about to tell them that the Omnitrix is in reboot mode, Paradox arrives saying it's too late to save the Earth. Ben tells Azmuth that Earth is being invaded, but Azmuth sees the Omnitrix needs recharging and tells Ben to use the Omnitrix wisely. Azmuth arrives and tells Ben that his constant evolution into different aliens has put the Omnitrix into reset mode. Ice Cream defeated, Ben returns to normal and discovers the Omnitrix isn't working. Ben uses a combination of Humungousaur, Echo, Wildfire, Chromatic, Spidermonkey, Chill, Jetray, Arthropod and Ooze attacks to finish off Mr. Ice Cream's image on a billboard to life and has to attack Ben. Ben crosses to the roof where Psyphon is, where Ben ends up fighting him and more Bioids and Droids.
When Ben encounters Psyphon on a roof, he ends up unleashing some Bioids and Droids on Ben. Paradox disappears, Ben, Gwen and Kevin will fight the aliens. When Ben sees the invading aliens and is about to become The Alien X, Paradox arrives saying that now is not the time to use it. After that, he plans to destroy Earth and Psyphon opens the Null Void Projector to unleash some Aliens on Bellwood. Vilgax, Ben's greatest enemy, is back with an army of Ben's dangerous enemies to conquer every planet in the universe. Ben 10 Alien Force: Vilgax Attacks is an electronic game based on the cartoon Ben 10: Alien Force, released Octoin North America for the Nintendo DS, PlayStation 2, PSP, Wii and Xbox 360.