Sid Meier's Civilization: Beyond Earth is a turn-based strategy, 4X video game in the Civilization series developed by Firaxis Games, published by 2K Games and released for Microsoft Windows on October 24, 2014, the Mac App Store on November 27, 2014 and for Linux on December 18, 2014. The game's premise is that Earth became uninhabitable due to an undescribed disaster known as "the Great Mistake", forcing humanity to colonize space. in the 23rd century As a spiritual successor to the 1999 game Alpha Centauri, Beyond Earth shares much of its development team and some concepts, most notably its setting on an exoplanet in the future.