Microsoft Store offers select Xbox One & Xbox 360 Digital Games for Free valid for Xbox Live Gold Members only.

Assassin’s Creed Chronicles: Russia Free 6/1/18 - 6/30/18
https://www.microsoft.com/en-us/store/p/assassins-creed-chronicles-russia/bxqqqq8hrbsf?

SMITE: Battleground of the Gods Gold Bundle (Xbox One) Free 6/16/18 - 7/15/18

Sonic & All-Stars Racing Transformed [xbox.com] (Xbox 360/Xbox One) Free 6/1/18 - 6/15/18
https://marketplace.xbox.com/en-US/Product/Sonic-All-Stars-Racing-Transformed/66acd000-77fe-1000-9115-d8025345085d?DownloadType=Game#LiveZone

LEGO Indiana Jones 2 [xbox.com] (Xbox 360/Xbox One) Free 6/16/18 - 6/30/18
https://marketplace.xbox.com/en-US/Product/LEGO-Indiana-Jones-2/66acd000-77fe-1000-9115-d8024c4107ed?DownloadType=Game#LiveZone