Love defense games? Do you like fantasy about aliens? In this online game you will defend the base from the invasion of aliens. You will be transported to a distant post-apocalyptic future. As a result of the alien invasion, all cities on planet Earth have turned into ruins. 80% of the population died or was taken into slavery on other planets. And now the remnants of the survivors are trying to hold the last fortifications of mankind. In the game, you have to defend the defensive fort alone. Shoot the waves of aliens to kill them before they destroy your fortification. Upgrade your soldier and weapons for the money you earn.