so far i have stumbled across (this should NOT be this hard to find out what demos are available) kinect sports, soccer, basketball, killer instinct. There may be more but with the messy awkward dashboard/xbox live menus for the xbox one it is damn near
impossible to know for sure. I LOVE my 360's dashboard/menus. The 360 looks like the $499 machine right now. The one it not even integrated with xbox.com. Good thing you can TELL it what you want it to do. Looking for the menu option for that verbal command
will take forever. C'mon microsoft, MAKE THE ONE'S LIVE MENUS/DASHBOARD LIKE THE 360'S...so easy a child could use it!