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Vehicle demo, created by Czeslaw Gorski with the A6 physics engine, featuring a dangerous race track through desert and woods, over broken bridges and along an active volcano. Pro Edition users can use the scripts as a template for their own vehicle or racing games. Joystick is recommended, DirectX 9.0c or above is required.

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If you go to the downloads page you will find two links for it. One is the compiled demo - the other is the scripts and art work used - so yes, you can use it.