Ben 10 Games: Omnitrix Attack is a fun and challenging online game where you can play as Ben Tennyson and help him transform into different alien forms to battle evil. The game features 9 levels, each with its own unique challenges. You'll need to use all of your skills and abilities to defeat the enemies and make it to the next level.

To play the game, simply click the "Play" button and start playing. You can use the arrow keys to move Ben around and the spacebar to jump. To transform into an alien, press the "X" key for Shoot

As you progress through the game, you'll encounter more and more challenging enemies. You'll also need to solve puzzles and avoid obstacles. But don't worry, Ben is a skilled hero and he has the Omnitrix to help him.