This is a tutorial on how to play Windows PC Games with your Xbox 360 Kinect. All the software is free and open source, however you may need to purchase a cable depending on how you bought the sensor. All the links from the video:
FAAST Software: http://projects.ict.usc.edu/mxr/faast/
(I am using 0.09 in the video, but 0.10 came out today!)
Kinect Cable and Power Supply (Microsoft): http://www.microsoftstore.com/store/m...
Kinect Cable and Power Supply (Amazon): http://www.amazon.com/Power-Supply-Ca...