Zombies vs. Towers

In 2029 virus infected 99% of world population. Last human outpost fights against zombies. We assign you as our leader to protect and defend us from zombies. Towers are filled with ammo and workers are on the way to bring even more ammo to the towers. Flow of ammo must not stop. All eyes of the world are looking at this small outpost in the woods. As zombies crawl towards you you need to build and merge towers, upgrade them and prepare the nukes to fight agains evil zombies. Those creatures will...