Until then, though, know that all of the best Xbox One games are fully playable on Xbox Series X and Series S thanks to pervasive backward compatibility. We expect that in the next couple of years, the amount of games exclusive to the more powerful Xbox Series X and Series S will swell, justifying a separate list entirely. We've bundled our picks for best Xbox One and best Xbox Series X, Xbox Series S games into a single list for the time being since the lineup of next-gen exclusive games is still very small.