Soviet Russia in a wintertime blizzard. It sounds like the perfect location for skiing, building snowmen, and reigning destruction by helicopters. In the intriguing game Sift Heads World Act 4, you have been dispatched on a perilous mission in order to take down the evil war crafts that if given the chance, will destroy or enslave every human being within the free world. All you must do while your pilot flies, is point and shoot, figuring out the most effective handicaps to make them crash and burn. Just make sure that you do it before you run out of gas!