> On the Valve side, Rubikon continues to evolve and Dirk has developed optimizations (similar to those in Box3D) in a new engine called Ragnarok. Look for that in future Valve games.
wait....
Valve is working on a game codenamed HLX that apparently uses a ton of physics features. No idea what "HLX" means though.
Day of Defeat Source 2.1 just a week away!
Don't get your hopes up, it'll be used in deadlock's volleyball game mode