Game Aliens attack go online

Aliens ships appeared above the city and began to attack the inhabitants in the game Aliens attack go. The military unit, located on the outskirts, instantly uncovered a large cannon, but no one had controlled it for a long time. You will have to do this. There is nothing difficult in shooting at flying objects. Just turn the muzzle in their direction and shoot. There are enough shells, you just need to be fast and dexterous in the game Aliens attack go, so as not to miss a single alien on your land.