On Xbox One, subscribers will be able to download Insane Robots (normally $19.99/£17.99) for free throughout December.
Jurassic World Evolution (normally $49.99/£39.99) will then be available as a free download from December 16 to January 15.
On Xbox 360, Toy Story 3 (normally $9.99/£8.99) will be free for Xbox Live Gold members from December 1-15.
And from December 16 until the end of the month, Castlevania: Lords of Shadow – Mirror of Fate HD (normally $14.99/£9.99) will be free to download.
As part of November’s Games with Gold line-up, members can download Sherlock Holmes: The Devil’s Daughter and Joy Ride Turbo for free until the end of this month, while The Final Station is free until December 15.
Xbox Live had a record number of monthly active users during Microsoft’s first financial quarter ended September 30, 2019, according to the platform holder.
Microsoft recently announced several limited time Xbox All Access hardware bundles, which let customers pay monthly for a new console and a Game Pass Ultimate subscription, with the option to upgrade to the next generation Xbox, Project Scarlett, following its late 2020 launch.