It's been three years since Galactic Civilizations III was originally released. To celebrate the occasion, Stardock is discounting the game by 66% off of the retail price. The sale will last until May 18th at 1pm ET. During this time customers can pick up the game for just $13.59 and this will include the base game, the Crusade expansion, the Mega Events DLC, the Builder's Kit DLC and the Map Pack DLC. For more info on the sale as well as some more info on how the game has grown over the years, check out the Galactic Civilizations III forums.