Online multiplayer on Xbox requires Xbox Live Gold (subscription sold separately).
 Free Games Offer: For paid Gold members only on Xbox One, active Gold membership required to play free games you’ve redeemed. Restrictions Apply. Savings based on retail value of game. Games sold separately. Requirements and available features vary across consoles; Multiplayer between Xbox One and Xbox 360 supported for select titles. Download required. http://www.xbox.com/backcompat.