This is a screenshot of my current project 4e5RL, '4 Elements number 5 Rogue Like'. For the Gamedev programming competition.
It looks shit at the moment, thats the effect im trying to acheive while in development anyway.
You can spend huge amounts of time making it look cool, then when you do get it right, because you're looking at it for long periods of time, it slowly begins to look shit, and you have to change it again, and again, and again...
Im concentrating on functionality. That's my excuse anyway.
What you are seeing is a fully random dungeon with automaticaly generated navGraphs for A* pathfinding. The Minator model is from 'Heretic'.