Microsoft's Larry "Major Nelson" Hryb has announced the first game to be a part of next month's Games With Gold. Earthlock: Festival of Magic is set to release for Xbox One on September 1 and will be free for Xbox Live Gold subscribers.
Earthlock is a turn-based fantasy RPG set in the world of Umbra, which is described as "a mysterious, beautiful but harsh planet that stopped spinning thousands of cycles ago." It focuses on a desert scavenger called Amon, who meets a peculiar creature that looks like some kind of pig/bunny/bat hybrid. In addition to Xbox One, it releases for PC via Steam on September 1. You can check it out in the video
More games have yet to be announced for next month's Games With Gold. The current free games on offer include Warriors Orochi 3 (August 1-31) and WWE 2K16 (August 16-September 15) for Xbox One and Beyond Good & Evil HD (August 16-31) on Xbox 360. It's worth noting that every Xbox 360 Games With Gold is playable on Xbox One through the system's backwards compatibility program.
GameSpot will keep you up to date as more of September's Games With Gold are announced.