This Generator Rex game lets you battle endless hordes of EVOs with Rex's awesome nanite powers. Unleash the Slam Cannon, Smack Hands or BFS to take down as many EVOs as you can. Earn experience and upgrade your weapons to do even more damage. Fight your way through four big levels, including Manhattan, Abysus and Cabo Luna. Play EVO Showdown, more Generator Rex games and other free online games on Cartoon Network Australia.