Deathwatch is a roleplaying game set in the Warhammer 40,000 universe, where you take on the role of a member of the Adeptus Astartes - the devout, bio-engineered super-soldiers also known as Space Marines. Only the most exceptional candidates from the fighting forces of the Adeptus Astartes are invited to join the Deathwatch, and take on a new oath to safeguard the Imperium from the darkest of threats. United in this newly forged brotherhood, all Deathwatch Marines must learn to put aside their differences and work together to succeed in the most extraordinary operations - whether facing the threat of total annihilation when confronted by implacable alien foes, or fighting against the foul daemon menace that crawls forth hungrily from beyond the Warp. Deathwatch offers a brand-new roleplaying experience by focusing on elite, special-missions style action at the furthest fringes of Imperial space, involving some of the greatest heroes and deadliest opponents the Warhammer 40,000 universe has to offer!

The Iron Snakes Chapter has sworn a pledge to protect the Reef Stars from ruin, whatever the cost. Sergeant Priad and the Damocles Squad battle to preserve humanity against the myriad foes that threaten to destroy it.

Honour the Chapter, a supplement for Deathwatch, provides a wealth of options for players interested in characters drawn from Chapters created during the Second or subsequent Foundings. This detailed tome contains new character creation rules, a host of relics unique to each Chapter, and plenty of guidance and adventure seeds for Game Masters. For ten millennia, Space Marines from a thousand chapters have fought and died in the name of the Emperor of Man. Take your place among these honoured heroes!

The Space Marines of the Deathwatch safeguard the Jericho Reach against the galaxy's deadliest foes. Do not falter: arm yourselves with the best wargear and abilities the Deathwatch has to offer! Rites of Battle, a supplement for Deathwatch, offers the means to enrich and add detail to the adventures of a Kill-team in the Jericho Reach. A host of new character options allow for increased personalization with thorough "Create Your Own Chapter" and "Alternate Specialities" rules. Play a member of the Imperial Fists Chapter or one of the Successor Chapters that send Space Marines to the Deathwatch. Meanwhile, vehicle rules add a new dimension to gameplay and expand possibilities for adventure. Battle alien tanks with your Land Raider or prowl behind enemy lines with a Land Speeder Storm. Gain access to an extensive new armoury of weapons, armour, and relics from the armouries of Watch Fortress Erioch, or earn new special honours and distinctions to reflect your Space Marine's glorious victories! A valuable handbook for Space Marines of the Deathwatch, Rites of Battle contains everything needed to prepare a Deathwatch Kill-team for any mission. Rise to glory in the service of the Emperor!

First Founding is the latest supplement for Deathwatch. The First Founding Legions were crafted by the Emperor himself, and they forged the Imperium in bloody combat as they waged the Great Crusade across the galaxy. First Founding details the nine Chapters directly formed from the loyalist Space Marines Legions, and includes new rules from solo modes to new advances specialities. Of these nine Chapters, First Founding features the final four Chapters not discussed in previous Deathwatch rulebooks. This exciting supplement includes the background of the nine Traitor Legions and their fall to the seduction of the Ruinous Powers. Additionally, for the first time in Deathwatch, First Founding provides new rules for Battle-Brothers to have followers.

'The Jericho Reach' is a new supplement for 'Deathwatch'! This comprehensive tome provides in-depth information on the struggles of Kill-teams currently operating throughout the Reach. Each chapter delves into detail on the personalities, planets, and themes of a specific salient.

Defend the Imperium against its greatest foes! The Emperor Protects contains three separate adventures for the Deathwatch roleplaying game set among the war-torn front lines of an Imperial crusade. Can your imposing Space Marines convince the warrior colony of the Feral World Aurum to join the Imperium? Or will they meet their demise upon the surface of a corrupted Forge World? Featuring three new adventures - The Price of Hubris, A Stony Sleep, and The Vigilant Sword - that present dangerous challenges for your Kill-teams, The Emperor Protects is a great way to begin your campaigns in the Deathwatch. Complete these missions as only Space Marines can... in the Emperor's Name!