| Game | Updated |
| Kameo: Elements of Power | 09/14/2011 |
| Kane & Lynch 2: Dog Days | 04/27/2011 |
| Kane & Lynch: Dead Men | 12/3/2011 |
| Karaoke Revolution Presents American Idol Encore | 12/3/2011 |
| Karaoke Revolution Presents American Idol Encore 2 | 06/28/2011 |
| Kinect Sports | 09/26/2011 |
| Kinectimals | 02/3/2011 |
| Kingdom Under Fire: Circle of Doom | 07/13/2011 |
| Kung Fu Panda | 10/17/2011 |