In the grim darkness of the far future, manking teeters on the very brink of destruction. The galaxy spanning Imperium is under threat on all sides by a multitude of alien races and from within by the insidious forces of Chaos. Constant war is humanity's only chance of survival and standing at the forefront are the Space Marines - gentically engineered warriors, and the massed ranks of the Imperial Guard, each willing to lay down their lives for mankind's survival. Brimming with action-packed ta...