Can you play Xbox 360 games on Xbox One? The console's backwards

Including ALL the current backwards-compatible games.
Including ALL the current backwards-compatible games.

Yes, you can: How to play Xbox 360 games on Xbox One – GeekWire

Xbox One: backwards compatibility prank breaks consoles, Games

Xbox One is now backwards compatible with Xbox 360 games

Over 70 Original Xbox And Xbox 360 Games Are Now Backwards Compatible - Game Informer

Full List of Xbox Games That Work on Xbox 360

Xbox Backwards Compatibility: Play Old Xbox Games on New Consoles - MiniTool Partition Wizard

Can you play Xbox 360 games on Xbox One? The console's backwards compatibility explained

Xbox 360 games are getting Xbox One boxes

Here's why your favorite Xbox 360 game isn't backward compatible on Xbox Series X