Warhammer 40,000: Boltgun Achievements Full list of all 21 Warhammer 40,000: Boltgun achievements worth 1,800 gamerscore.The base game contains 12 achievements worth 1,000 Gamerscore, and there are 2 DLC packs containing 9 achievements worth 800 Gamerscore.Filter Achievement View View Image viewList view Sort by TrueAchievement desc TrueAchievement asc Achievement name desc Achievement name asc GamerScore desc GamerScore asc TA Ratio desc TA Ratio asc Gamers desc Gamers asc Xbox.com order Date won desc Date won asc DLC Packs Group DLC packs together in list DLC Filter AllOwnedNone Flag Filter All None 21 Offline Mode 21 Single Player 9 Main Storyline 1 Story Completed 9 Difficulty Specific 10 Stackable 4 Collectable Link flagsOR joinAND join Achievements without these flags What are achievement flags? Click to find outApply Base Base Game (Excludes DLC) 1,985 1,000 12 3.7413,3551,806 (14%)8-10h Chapter I - CompleteComplete all Chapter I Missions 2 guidesChapter II - CompleteComplete all Chapter II Missions Chapter III - CompleteComplete all Chapter III Missions The Emperor ProtectsComplete all Missions on The Emperor Protects Difficulty My Armour is ContemptComplete all Missions on My Armour is Contempt Difficulty Emperor's MercyComplete all Missions on Emperor's Mercy Difficulty ExterminatusComplete all Missions on Exterminatus Difficulty 2 guidesDefeat a Lord of ChangeDefeat a Lord of Change 1 guideDefeat a Great Unclean OneDefeat a Great Unclean One 2 guidesFind all Secrets - Chapter 1Find all Secrets in Chapter 1 2 guidesFind all Secrets - Chapter 2Find all Secrets in Chapter 2 2 guidesFind all Secrets - Chapter 3Find all Secrets in Chapter 3 2 guides Update Horde Mode 812 300 3 3.062,0131,785 (89%)0.5-1h Let None SurviveComplete Horde Mode on any difficulty 1 guideDuty FulfilledComplete Horde Mode on Emperor's Mercy Difficulty 1 guideFor the Emperor!Complete Horde Mode on Exterminatus Difficulty 2 guides Add-on Forges of Corruption 1,030 500 6 3.421,229773 (63%)1-2h The Emperor Still ProtectsComplete Forges of Corruption on The Emperor Protects Difficulty Contempt MaintainedComplete Forges of Corruption on My Armour Is Contempt Difficulty Mercy ExtendedComplete Forges of Corruption on Emperor's Mercy Difficulty There Is Only WarComplete Forges of Corruption on Exterminatus Difficulty 1 guideRage IncarnateDefeat a Helbrute 1 guideFind all Secrets - Chapter 4Find all secrets in Forges of Corruption 1 guide