A terrible disease has spread and all alive turn into living dead. The earth is full of zombies and only a few people remain to fight them. Zombies are slow and can not even jump. The greatest chance of survival is to be somewhere high. The main heroes Lucy and Jack do not hesitate to defend theirselves from high tower of boxes. They are shoot hungry zombies from there. Kill the undead and get the points. You can build higher defense, to buy better weapons, or switch to an angry mode, which means you shoot much faster. Survive all waves of enemies and save yourself. Have fun.