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 gives 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 gameplay involves using the Ominitrix to transform into different aliens, each with its own unique abilities, to defeat enemies and solve puzzles. The player has three kinds of attacks: light, heavy and special moves, as well as a large number of combos. The game features over 14 levels, visiting locations such as the Grand Canyon, San Francisco, Seattle, or Mt. Rushmore.
The PSP version offers exclusive challenge locations and skins, providing additional gameplay opportunities for fans of the series.