Ben 10: Protector Of The Earth is an action game based on the cartoon series Ben 10. The story follows the adventures of Ben Tennyson, who one day finds a watch-like device called the Ominitrix, which give him the ability to transform into different aliens each with its own special ability.
The aliens in which Ben can transform are: Fourarms, a big brute who excels at close combat, Fireblast, who can torch his enemies with fireballs, XLR8, a superfast speedster, Cannonball, who can turn into a metal ball and lastly Wildvine, who can stretch his limbs to reach new places.
The player has three kinds of attacks: light, heavy and the special moves as well as a large number of combos. The game features more than 14 levels, visiting locations as the Grand Canyon, San Francisco, Seattle, or Mt. Rushmore.
The PSP version has exclusive challenge locations and skins.