Winter Attack

One winter morning, newcomers were attacked by aliens on their ships in one of the cities in America.
They sowed destruction and captured people.
Soldiers at a military base were ordered to destroy enemies.
We are in the game Winter Attack will play for the grenade thrower, who needs to destroy alien ships.
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 direct his sight to the ships.
As soon as you see that you can shoot, do it.
If the calculations are correct, then your shell will hit the target and undermine the alien ship.
So you will destroy the army of invaders.