Owners of Kinect Sports and Kinect Joy Ride have been granted free access to new DLC packs.
The Kinect Sports Party Pack – available today – adds six mini-games including King of the Ring Boxing, SuperStriker Football and Fruit Splatter Volleyball.
The free DLC also includes 15 party play events, three new mascots, 250 unlockable Gamerscore Points and a challenge feature that allows users to track their friends' high scores.
For Kinect Joy Ride the Chevrolet Car Pack goes live on January 4th and adds new Camaro, Corvette and Cruze motors. Players can unlock it by viewing the Chevrolet advert on Xbox Live or by visiting Xbox.com.
The news comes following the release of two free downloadable Doritos-sponsored games from Microsoft last week.
Kinect Sports and Kinect Joy Ride were released as launch titles for Xbox 360 Kinect which hit stores on November 10th.