Gray creatures are taking over the city and now Gwen and Kevin are in danger so push on that Omnitrix to use Humongosaur in Ben 10 Swarm Smash! You play as the giant alien who will smash those aliens to bits with his powerful punches, and you can combine the attack button with the arrow keys to perform unique attacks. Pick up the green super energy to fill up the meter that is under your health bar. When it fills up into a period, you can press the spacebar to grow even much bigger and crush those enemies under your foot.
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