Comes with game, case, and artwork.   May be Original or Platinum Hits edition. Game is tested and works. Game case and artwork may have wear as it is used.  Game may have been professionally cleaned in an Eco Master disc machine if needed. 
Kinect, if purchased, is tested.  It DOES NOT include the ac adapter, which is needed if you have an Original Model Xbox 360.   If you have the S (slim) or E model, an ac adapter is not required as the system as a designated port for the Kinect to plug in to.