Ben 10: Alien Force is an action-adventure video game based on the American animated television series of the same name.

[1] Ben Tennyson, his cousin Gwen and Kevin Levin encounter the Forever Knights looking for a piece of alien tech at a pier.

They also meet an off-world Tetramand Plumber named Gorvan, who is searching for illegal alien tech, and recruits them to help him.

The trio retrieves components from various places and defeating the Forever Knights and Pickaxe Aliens that were guarding them.

Eventually, they learn from Max that Gorvan is a disgraced Plumber who was thrown out of the organization for hoarding and selling illegal alien tech.