Steam now offers a playable demo for MotorSport Revolution, the racing game for Windows from Ghost Machine. The game is designed to take advantage of the fledgling PC virtual reality scene, though a VR headset is not required to play. Here's an outline of what the demo offers:

This demo contains 3 playable racing levels from the VR racing game, Motorsport Revolution. This demo is restricted in the initial racing class, which is the smallest horsepower of all 5 classes included in the full game. This game is best experienced by playing with a Oculus Rift VR Headset or a HTC / Valve Vive VR Headset.