Phoronix: Twig: Doing Open-Source Physics In DarkPlaces

While the DarkPlaces open-source game engine can already be used for some impressive games -- see Nexuiz and Xonotic as prime examples -- there's also the Twig Physics Library for the game engine to further enhance its physics...

http://www.phoronix.com/vr.php?view=MTE3ODM