Backward compatibility is a big point of emphasis for both Microsoft and Sony heading into the new generation of consoles. Sony came out a few weeks ago and confirmed that only 10 games won’t make the transition from PS4 to PS5. That’s a very acceptable percentage. Xbox has similar results, but with more peripheral-induced constraints.
Xbox director of program management Jason Ronald has confirmed that every non-Kinect Xbox One game, and every single backward compatible game from the original Xbox and Xbox 360 that doesn’t require Kinect will be playable on Xbox Series S/X:
Source: Destructoid Only Kinect games are lost to Xbox Series X’s backward compatibility