THQ has released the promised playable demo (334MB) for Warhammer 40,000: Dawn of War, allowing you to try out this just gold 3D real-time strategy game by Relic Entertainment. The demo contains a stunning intro-movie, a single player mission, two skirmish maps that you can play as Space Marines, and a tutorial. The demo can also be downloaded from GameSpotDLX,3DGamers, FileRush, GH.