Plants hide under the snow when the winter comes to town. However, your battle plants don’t hide the whole year round – they need to defend you, their master, from the dangerous zombies. Lots of things have changed in this world after the zombies came. Not only the flowers are alive and shooting now, they also can easily stand the cold. In the Christmas version of the famous game, you will shoot the balloons to defeat zombies. They fly to your house and you need to pop the balloons before they land.