The social adaptation of Sid Meiers’ hailed Civilization series, CivWOrld, is shutting down.

The announcement was made via the game’s Facebook page:

Rulers of great civilizations, repent! The world is coming to an end! CivWorld will shortly cease operations and flow into the ethers, forever a fond memory of great triumphs. The last day for players to get more CivBucks using Facebook Credits will be April 2nd, 2013. The last day Civ World will be accessible is May 29th, 2013. We thank you for the time you spent with CivWorld, and beseech you to stay civilized on the other side.

After nearly a year and a half in development, CivWorld came to Facebook in a closed alpha all the way back in January 2011 and was fully-launched on the social network by that May. Although the game’s been in existence for two years now, it never really seemed to find an audience.

That said, the game’s managed to last quite a bit longer than other social tie-ins for established game franchises. Recent examples include the shutdown of EA’s Dragon Age: Legends and Ubisoft’s Ghost Recon Commander. The Civilization titles are known for having a dedicated community of players who will regularly play them for years after their release, something that may have helped CivWorld last as long as it did.

CivWorld peaked in July 2011 with 88,754 daily active users (the best gauge of a title’s core audience on Facebook), but the numbers quickly dropped off after that. By January 2012, there were only 5,000 DAU and AppData estimates the game only has 2,000 now.