This prompts Kevin to hunt down Gorvan without backup, with Ben giving chase. Eventually, they learn that Gorvan is a disgraced Plumber who was thrown out of the organization for hoarding and selling illegal alien tech. Gorvan grows increasingly suspicious with each component collected, and the trio decide to keep an eye on him. The trio retrieves components from various places, after defeating villains guarding them. They also meet an off-world Tetramand Plumber named Gorvan, who is searching for illegal alien tech, and recruits them to help him. Plot īen, Gwen, and Kevin encounter Forever Knights looking for a piece of alien tech buried there. The game was released in North America on Octoand February 2009 in the United Kingdom. Ben 10: Alien Force is an action-adventure video game based on the American animated television series of the same name.