https://www.gamespot.com/articles/new-xbox-one-backwards-compatible-game-now-availab/1100-6458159/

Microsoft is making a ton of new titles backwards compatible with Xbox One this month. Along with the 19 original Xbox games coming to Xbox One's backwards compatible library throughout April, a new 360 title is now playable on the current-gen console, and it even receives enhancements on Xbox One X.

As revealed during the latest episode of Inside Xbox, Sonic Generations is now playable on Xbox One. The game originally released in 2011 and features both classic 2D and modern 3D Sonic game styles. You can read more about it in our original Sonic Generations review.