The zombie war has devastated the earth, and now all the World's armed forces are gone... Except for your platoon. You are the earth's last defense against the zombie horde. Use your platoon to fight back against the zombies, and gain money to purchase upgrades to your units, as well as more units to fight back. Click on your units to select them then send them in to attack, and make sure that you make the best use of the various units you have access too. Buy them upgrades like fast walk, and fast reload to help them defeat them zombies and save the world.