As of today there are new titles for the Xbox one to download and they are the following:
Age of Booty
Jeremy McGrath’s Offroad
Sam & Max Save the World
The Witcher 2: Assassins of Kings (In some regions)
Microsoft also mentioned that in “some regions” players can download The Witcher 2 for free until February 5. Here’s a list of the following Regions where the game is available: US, Canada, Uk, France & Germany.