Steam News announces a free weekend is underway for Sid Meier's Civilization V, and that the turn-based strategy sequel is on sale for 75% off (the links currently erroneously read "Counter-Strike: Global Offensive," but they point to the right place). Here's the recruiting pitch: "Become Ruler of the World by establishing and leading a civilization from the dawn of man into the space age: Wage war, conduct diplomacy, discover new technologies, go head-to-head with some of history’s greatest leaders and build the most powerful empire the world has ever known."