Rex needs to form an Enemy Alliance in this action-packed Generator Rex beat-em-up game that lets you use some of Rex's newest weapon builds like the Blastcaster and Funchuks. Trapped in the desert and quickly losing nanites, Rex and Van Kleiss have to team up to stop the evil computer ZAG-RS from destroying the world. Can you defeat ZAG-RS's endless army of rock creatures and shut down the central AI? Play Generator Rex Enemy Alliance and other free online games on Cartoon Network.