7/9/2009: Click the animation to adjust the throttle with the A and Z keys. Speed is based on the throttle control, but if you drive off-road, the terrain slows you down. Track terrain images can flip to different textures after each loop (using 2 track terrain image maps: screen 0 and screen 1). If the A and Z keys aren't working, click the flash animation to regain keyboard control. The keyboard control activation will be automatic once the start sequence and button are completed.