Uncle Sams cows were mercilessly abducted by aliens - - now Uncle Sam is swearing revenge. Hes doing everything thing in his power to make those green little creatures pay. Hes using high-profile sophisticated artillery and weaponry to shoot those cowards down. Help him in his unquenchable thirst for alien blood!Use your MOUSE to aim and lock in the cross-hairs - - then LEFT CLICK to shoot at the alien abductors!