28 Waves Later - Try to survive when there's a swarm of monsters coming at you! Zombies won't let you rest even for a minute. Imagine you're in a closed space and zombies are closing in on you. You can use 9 types of weapons. Only one case of ammo. Kill zombies to get weapons, medkits and ammo. Pass increasingly difficult levels. Perfect your game skills. Be cool, play and reach your goals in the game. Even the most bloodthirsty zombie hunters will like this game.