S.T.U.N. Runner (Spread Tunnel Underground Network Runner) is a fast-paced, racing/shooter arcade game released by Atari Games in 1989. The player pilots a futuristic speed bike which can exceed 900 mph through various tunnels and courses, with changing environments, hazards and enemies. S.T.U.N. Runner was notable for its early use of high-speed 3D polygonal graphics, and was based on an evolution of Atari's pioneering Hard Drivin' hardware.