September Games with Gold will include Reach, Super Time Force, Monaco
From the Major Nelson Blog
Coming up in September, Xbox Live Gold members can look forward to three new free games on Xbox One and Xbox 360. Super Time Force is coming to Games with Gold on Xbox One as a free download, replacing Strike Suit Zero (so grab it now if you haven’t already). Crimson Dragon will continue to be available for Xbox Live Gold members as a free download for Xbox One.
Then, on September 16th, Xbox Live Gold Members can download Halo: Reach (normally US $24.99) for free through September 30th.
*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.