Be careful! A large host of zombies are coming. On the one hand, use the weapons in your hands to target the zombies in the left and right direction to kill them. On the other hand, build your defense to resist their attacks, because zombies can't jump. Your achievements are recorded on the medals list, which will make you feel more fulfilled! After passing all levels, you can choose the survival mode, which will be more challenging! Good luck and have fun! Use mouse to play.