Combat is simple but satisfying. You have a light attack, heavy attack, and a special ability unique to each alien. For example, Humungousaur’s heavy attack is a ground slam, while Big Chill can create an ice nova. The "Ultimate Meter" builds as you land combos. Once full, you press the Ultimate button to evolve for about 30 seconds of invincible, high-damage action.
: The core mechanic involves evolving aliens into their "Ultimate" forms, such as Ultimate Humungousaur, Ultimate Swampfire, and Ultimate Echo Echo , to unleash massive damage during scripted "Ultimate Events" and boss battles. ben 10 ultimate alien cosmic destruction game