The fate of the world rests in the hands of ONE super-powered teenager. Become Rex and mutate into 9 different builds like Slam Cannon, Rex Ride and Boogie Pack! Accept Agent Six's missions, fight with Bobo Haha and uncover collectibles for Doctor Holiday! Explore 11 different environments and hidden areas to evolve your powers! Fight through the depths of the jungle, the scorching deserts and the heart of metropolitan cities!