Squad 51 vs. the Flying Saucers

Squad 51 vs. the Flying Saucers is a fast-paced side-scrolling arcade shooter. The game features an unusual visual style inspired by films from the 50s. The game tells the story of Lieutenant Kaya, a Royal Air Force ace who takes part in air battles around the world. By adjusting the altitude of the plane, you have to shoot enemy aircraft, and also fight a couple of powerful bosses.