Ok, I've downloaded and played it. Absolutely mindblowing! The learning curve is through the roof and there is just so much of it to learn. It simulates just about everything a dwarven world should have. The development of a single individual citizen is far more complex than most roleplaying games have for their protagonist - even down to getting attached to a specific weapon (object, not class!)

The way the community defines 'Fun' is amusing too. It seems to involve the forcible discovering new ways to be utterly obliterated. Unfortunately I haven't had much 'fun' yet even with a respectable civilization going along. But that's because I did a lot of research on the low to mid skill level risks and worked damn hard to prevent them - quite a challenge and fun in itself.