Zombie epidemic broke out, human civilization collapsed rapidly. Your mission is to lead survivors, expand the base and rebuild human civilization. With a new survival-combined defense game, with more than hundreds of quests, facing hundreds of zombies, you will surely have moments of thrilling and exciting survival in the game. The scene of the game is a world has ended... not dead ahead or dead astern, you are in a zombie warfare. Not a Tower Defense but you also have a Defense Zone. Build