A small group of people to substantiate the new city, which is carefully protected from the external environment. Outside at night wandering zombies who want to enslave and all the remaining people. You go to a military rescue operation and one will carefully bred to find out what you monsters are preparing at this time. Passing game was easier, because there are infinite money, for which you can buy not only weapons, but also to improve its soldiers. Buy armor, additional items that will help you cope against a large army of zombies.