Celerity: Sensory Overload is a tunnel obstacle race game written in XNA for the Intel Ultrabook / Windows 8, featuring head tracking.
Celerity was a competition entry in the 2012 CodeProject App Innovation Contest where contestants sought to make innovative use of the Ultrabook hardware, particularly the sensors.
The program will work fine on any x86 installation of Windows 8 (i.e. desktop) and will make use of sensors and camera if they are available.
A full instructional article can be found here
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