MindBlaster is a game / tutorial by Coding4Fun.com, a Microsoft Blog. It is available as a downloadable executable or source code.
MindBlaster is written using XNA which runs on a Windows PC in conjunction with the MindSet headset and a mouse. You may also use a Nintendo Wiimote. The object of the game with the wiimote is to move your head which moves a targeting reticule on the screen, to aim at enemy alien ships, then focus your concentration on the selected ship to heat it up and eventually make it explode. The more you focus, the faster the alien ship explodes. As more enemies are destroyed, they faster they fire back at you, causing a pretty frenetic gameplay experience until the onslaught becomes too much and you are destroyed.
XNA Game Studio: