Robots Vs Zombies

At the dawn of the new century, the world has gone high-tech as inventions change the world.  The military forces were replaced by robots.  However, something lurks in the dark that hasn’t change.  A mysterious virus swept the land and most of the inhabitants has turned into undead.  The undead want to take a mysterious orbs that can help them rule the world, but the living won’t allow that and they have deployed some powerful robots.   It’s the fight of the century as robots are pitted against zombies.   The game is played via mouse and you need to erect some towers to defend your base.  You can control one tower, which will be your ultimate weapon.  Erect other towers to help you defend the base.