Snow zombies crawled out of the snowdrifts. Their main difference from all other zombies is that they are easy enough to throw with snowballs. As a matter of fact, they themselves are pretty well managed with them. You just have to send snowballs at the green monsters and dodge their attacks. At the same time, you should be very careful. Just a few hits to your head and the snow zombies will win an unquestioning victory. Survive as long as possible and win this war!