I've played this game for 3 months straight (@ about a dozen hours per week), which is 4 times longer than any other game I ever played, including Dwarf Fortress (which was my most intense 3 weeks of game playing ever) and Civilization (general record holder for me). Perhaps it's an unusually long game, or I'm getting old, or perhaps it's just really good. About my only complaints are that it has more fighting/grinding that I typically go for, and a number of things are very hard to discover in-game and require reading the wikis to progress at a less than glacial pace. Fun digging, building, fighting, upgrading, and exploring!
