Microsoft announced the following games will be free for Xbox Live Gold members in January 2019 through the Games With Gold program.
On XBOX One, Celeste ($19.99) will be free during the month of January. WRC 6 FIA World Rally Championship ($49.99) will be available as a free download from January 16th to February 15th.
On Xbox 360, starting January 1st, Lara Croft and the Guardian of Light ($14.99) will be free for Xbox Live Gold members through January 15th. Then on January 16th, Xbox Live Gold Members can download Far Cry 2 ($19.99) for free through January 31st.