Is the Xbox Series S worth it?

Can you play Xbox Series S and Xbox One together?

Yes. If a game is available to play on both Xbox Series X|S and Xbox One, you'll be able to play multiplayer with gamers from both systems. Note Cross play is at the publisher's discretion, so there may be examples in which players on Xbox Series X|S won't be able to play cross platform with Xbox One players.

Can you transfer games from a Xbox One to a Xbox Series S?

Some games, game saves, and apps: Xbox Series X|S is backward compatible across all generations of Xbox, and the list of back compat games is expanding. To continue playing a game on Xbox Series X|S that you started on Xbox One, make sure it's saved it to the cloud.

Can you play the same games on Xbox One S and Xbox One?

You can play games you own on disc on any Xbox console. Just insert the disc, install the game, and enjoy.

Can I play on Xbox One and Xbox Series S with the same account?

You can sign in to multiple devices at once, such as an Xbox One console, Xbox Series X|S console, mobile device, Windows device, or through cloud gaming. However, there are exceptions to this rule.