In the grim darkness of the 41st Millennium, specially selected bands of elite combat operatives hunt each other through a twisting alien tomb… The Pariah Nexus, a growing area of space in which worlds have been silenced, baffles and disturbs the Imperium. Within this region, Space Marines of the Ultramarines Chapter wage a desperate war to retake the Imperial world...

Sprawling over countless Imperial worlds, the landscapes known as Sectors Mechanicus are tangled mazes of pipes, conduits, and heaving machinery. Without these rumbling furnaces and smog-belching chimneys, the ceaseless war industries of Humanity would stall, and the armies of the Imperium of Man – shorn of materiel reinforcement – would fall to the xenos and the heretic. The Killzone: Sector...

The immense supply districts known as Sectors Munitorum can be found across the Imperium of Mankind. They house the resources needed to power Humanity's vast armies: millions of tonnes of munitions, equipment, weapons, and fuel. Such priceless stockpiles draw the eyes of avaricious raiders, leading to brutal, close-quarter battles amidst looming canyons of rusted containers. The Killzone: Sector Munitorum set...

At the farthest reaches of space, the boundaries of the Imperium change almost daily as new worlds are discovered and settled while others fall to predations of aliens or rogue factions seeking freedom from of the crushing yoke of Imperial oppression. Open hostility is a common occurrence on such lawless worlds, yet with fewer resources to call upon, many such...