Join Rex as he tries to stop Van Kleiss and his evil plot to take over the city. You will journey across three different zones battling against E.V.O.S. and Van Kleiss' minions. As you try to reach the end of the zone. Collect nanite power icons to enable rex to use his special skills. You will encounter many E.V.O.S. that can be defeated by nanite power: Use "smackhands", The "BFS" and Slam Cannon to defeat your enemies.