Here is the list of free games available on the Xbox 360 and Xbox One to Gold Members only, for the month of May. Don’t forget you can save lots of money on Xbox Live Gold Membership and Microsoft credit here
On Xbox One, Xbox Live Gold members can download Giana Sisters: Twisted Dreams – Director’s Cut for free during the month of May. Lara Croft and the Temple of Osiris will be available as a free download from May 16th to June 15th. On Xbox 360, starting Monday, May 1st, Star Wars: The Force Unleased II will be free for Xbox Live Gold members through May 15th. Then on May 16th, Xbox Live Gold Members can download LEGO Star Wars: The Complete Saga for free through May 31st.
SOURCE : MAJOR NELSON