Dwarf Fortress hit Steam yesterday, but you probably know that already. In fact, there's a decent chance you own it. Kitfox Games, who published DF's "premium" Steam version, enlisted the aid of an economist before yesterday's release to try to predict how many copies the game would end up selling after its ASCII version spent 16 years as a free download on Bay 12's website. The prediction was respectable: About 160,000 copies sold in two months... Read more.
