Xbox One owners get The Deer God from September 1st – 30th and Tomb Raider: Definitive Edition from September 16th – October 15th. The remainder of last month's How to Survive: Storm Warning Edition will still be available until September 15th.
On the Xbox 360 side, Battlestations: Pacific goes live on September 1st and is free until the 15th. Crysis 3 takes over on the 16th and runs through the end of the month.
Head on over to the Xbox Wire blog post for all the latest Games with Gold info.