Civilization World was a massively multiplayer online Flash game in the Civilization game series, developed by Sid Meier and Firaxis Games. It was launched on July 6, 2011 on Facebook with the original name Civilization Network; the game title was officially changed to Civilization World on January 6, 2012. On February 28, 2013, it was announced that the game would be discontinued and was shut down on May 29, 2013.