Uncle Sam's cows were mercilessly abducted by aliens - - now Uncle Sam is swearing revenge. He's doing everything thing in his power to make those green little creatures pay. He's 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!