Sid Meier's Civilization: Beyond Earth was announced at PAX East. This game expands upon the Civilization series of games, but takes a leap off our (then not so) humble planet and into space.
Not many exact details about the game are known yet; however, a new announcement has shed some light on a non-gameplay related feature of the game: It will have support for AMD's Mantle API.
Being a strategy game, having support for AMD's Mantle API is quite the bonus. Strategy games are known to be particularly CPU intensive, therefore limiting performance on systems with weaker CPUs. AMD's Mantle API significantly reduces the CPU overhead in games. Thus systems with weaker CPUs will experience a notable performance boost over using DirectX. Of course, to make use of this API you must be running a more modern AMD Radeon graphics card.
The game is set to be released sometime throughout fall 2014, and will make its debut on Windows, OS X and Linux. For those of you who haven't seen the official announcement trailer yet, be sure to watch the video embedded above.