The object of this game is to spread the zombie plague and destroy every city in the world. Unlock new continents by killing everyone in a city. Various tools are available to help you spread the zombie plague. Your tools and your zombies can be upgraded in order to more quickly spread the zombie plague. See how quickly you can dominate the world. There is a lot of strategy here involving choosing a proper upgrade path, choosing when to use your elite special zombies.. and choosing how and where to spread the infections.
