All of Ben Tennyson's original alien transformations were cool, but some were much more useful than others, like Heatblast and Upgrade.

Collect Omnitrix symbols to transform into one of 6 aliens for a limited amount of time (XLR8, Heatblast, Stinkfly, Cannonbolt, Wildvine, and Ripjaws). Use the mouse to fire (only Stinkfly ...

Ben Tennyson, in the form of Heatblast, confronts him. After a short battle, Ben seemingly obliterates the villain.