For the month of December, Xbox Live Gold and Xbox Game Pass Ultimate members will receive four new free games – two on Xbox One and two on Xbox 360 – as part of the Games with Gold program. You can play both Xbox 360 titles on your Xbox One with Backward Compatibility.

On Xbox One, Xbox Live Gold members can download Insane Robots ($19.99 ERP) for free during the month of December. Jurassic World Evolution ($49.99 ERP) will be available as a free download from December 16th to January 15th.

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On Xbox 360, starting December 1st, Toy Story 3 ($9.99 ERP) will be free for Xbox Live Gold members through December 15th. Then on December 16th, Xbox Live Gold Members can download Castlevania: Lords of Shadow – Mirror of Fate HD ($14.99 ERP) for free through December 31st.

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Read more about December’s Games with Gold titles over at Xbox Wire.

See last month’s Games With Gold here.

*Titles are available as free downloads for qualifying Xbox Live Gold members in all markets where Xbox Live is available. Some regions may offer different titles depending on market availability.