Microsoft just announced the following games will be free for Xbox Live Gold members during November 2018:
Battlefield 1 ($39.99): Available November 1 to 30 on Xbox One
Race the Sun ($9.99): Available November 16 to December 15 on Xbox One
Assassin’s Creed ($19.99): Available November 1 to 15 on Xbox One and Xbox 360
Dante’s Inferno ($14.99): Available November 16 to 30 on Xbox One and Xbox 360