Prepare yourself for the grim, dark future of the 41st millennium, where alien races battle mankind for galactic domination in a universe of unending war.Personalize your armies with a revolutionary unit customization tool that gives you the ability to choose your armies insignias, banners, squad colors and names. Features Engaging story driven single player campaign.Command the elite chapter of the Blood Ravens in an original epic tale of treason and conspiracy as you serve the Emperor and protect humanity from the scourges of Warhammer 40, 000 universe. Master four unique races.Command your Space Marines, Orks, Chaos and Eldar in epic battles and master their distinct abilities, weapons, and tech trees to eradicate the enemy and rule the known universe. Unprecedented realism.Appropriately scaled terrain, vehicle physics and dynamic lightning contribute to a level of realism never before displayed in a real-time strategy game. Visceral cinematic melee and ranged combat.Realistic unit animations immerse you in intense brutal combat . Pioneering tactical gameplay.Innovations such as cover, squad-based combat, and morale add new strategic depth to real-time warfare. Dynamic multiplayer.Test your true combat abilities in two-to-eight player battles providing endless re-playability