One winter morning one of the cities in America was attacked by aliens on their ships. They sowed destruction and captured people. Soldiers at the military base received orders to destroy the enemies. We will play in the game Winter Attack for a grenade launcher, who needs to destroy the ships of aliens. You will see ships on the playing field. Sometimes they can be blocked by various moving objects. You need to pick up a grenade launcher to aim his sight at the ships. As soon as you see that you can shoot, do it. If the calculations are correct, your projectile will hit the target and undermine the alien ship. So you will destroy the army of invaders.