Zombie Tower Defense 4 is a cool free online 1 Player game. You have received a crucial mission to protect the path from advancing zombies. It is the track that leads to the village where your people are living. You must destroy waves of the undead before they reach the end part of the trail. Before they have the chance to escape and attack, you should build up towers. By killing these monsters, you can earn money to purchase upgrades. Engage in the combat and find the best startegies now!