Just came to reply to this thread. Apparently, the TRIAL is only available for this week only. Just read that on Major Nelson's blog. That seems silly to me to broadcast a demo like that. They are tricking more people into downloading the game though. To be honest, I thought it was an add on for Kinect Sports 2. Here is his blog if you want a look yourself.
10,000 GS 1/22/12 20,000 GS 3/21/12 30,000 GS 6/22/12