Ben Tennyson is on summer vacation with his cousin Gwen and Grandpa Max in the Rustbucket RV. But when he discovers the alien device known as the Omnitrix, he gets the ability to turn into ten different alien heroes. Use the powers of Four Arms, Heatblast, XLR8, Diamondhead, Upgrade, Overflow, Wildvine, Cannonbolt, Stinkfly, and Greymatter to save the day. It’s Hero Time! Play free online games featuring Ben 10 on Cartoon Network!