Mass Effect 2 Achievements Full list of all 62 Mass Effect 2 achievements worth 1,355 gamerscore. It takes around 50-60 hours to unlock all of the achievements in the base game.The base game contains 50 achievements worth 1,000 Gamerscore, and there are 5 DLC packs containing 12 achievements worth 355 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 62 Offline Mode 62 Single Player 18 Main Storyline 1 Story Completed 2 Difficulty Specific 2 Collectable 22 Missable 7 Cumulative + 2 Level Link flagsOR joinAND join Achievements without these flags What are achievement flags? Click to find outApply Base Base Game (Excludes DLC) 1,299 1,000 50 4.68257,41331,010 (12%)50-60h Missing in ActionSave your crew from an overwhelming attack 1 guideVery ElusiveReturn to active duty 1 guideThe ConvictSuccessfully recruit the biotic Convict 1 guideThe KroganSuccessfully recruit the krogan 2 guidesThe ArchangelSuccessfully recruit Archangel 2 guidesThe ProfessorSuccessfully recruit the Professor 2 guidesThe QuarianSuccessfully recruit the quarian 2 guidesThe JusticarSuccessfully recruit the Justicar 1 guideThe AssassinSuccessfully recruit the Assassin 1 guideFriend or FoeObtain geth technology 2 guidesColony DefenseDefend a human colony from attack 2 guidesThe ProdigalGain the loyalty of the Cerberus Officer 1 guideGhost of the FatherGain the loyalty of the Cerberus Operative 2 guidesCatharsisGain the loyalty of the biotic Convict 1 guideBattlemasterGain the loyalty of the krogan 1 guideFade AwayGain the loyalty of Archangel 1 guideThe CureGain the loyalty of the Professor 1 guideTreasonGain the loyalty of the quarian 2 guidesDoppelgangerHelp the Justicar resolve her mission 2 guidesCat's in the CradleGain the loyalty of the Assassin 2 guidesA House DividedHack a geth collective 2 guidesGhost ShipComplete the investigation of a derelict alien vessel 1 guideSuicide MissionUse the Omega 4 Relay 2 guidesMission AccomplishedSave humanity throughout the galaxy from certain annihilation 3 guidesAgainst All OddsSurvive suicide mission 1 guideInsanityComplete the game on the "Insanity" difficulty level without changing the setting 11 guidesNo One Left BehindKeep your team alive through the suicide mission 23 guidesLong Service MedalComplete Mass Effect 2 twice, or complete it once with a character imported from Mass Effect 1 1 guideParamourSuccessfully pursue a relationship with a teammate 4 guidesHead HunterPerform 30 headshot kills with any weapon on humanoid targets 2 guidesBrawlerShoot and kill 20 enemies while they're knocked back by a punch 10 guidesBig Game HunterThresher Maw defeated 3 guidesTacticianHit 20 different targets with multiple biotic powers to combine the effects 8 guidesMaster at ArmsKill enemies with 5 different heavy weapons during the game 4 guidesMercilessMake 20 enemies scream as they fall or are set on fire 3 guidesOverload SpecialistDisrupt the shields of 25 enemies 7 guidesWarp SpecialistWarp the barriers of 25 enemies 6 guidesIncineration SpecialistIncinerate the armor of 25 enemies 6 guidesOperativeComplete a mission discovered by scanning an unexplored world 2 guidesAgentComplete 5 missions discovered by scanning unexplored worlds 2 guidesProspectorRetrieve mineral resources by scanning and probing a planet in the galaxy map 3 guidesExplorerVisit 100% of the planets in an unexplored cluster 3 guidesPower GamerReach Level 30 with one character 2 guidesScholarUnlock 15 new Mass Effect 2 codex entries 1 guideTechnicianObtain 10 technology upgrades 2 guidesWeapon SpecialistFully upgrade a weapon 2 guidesScientistComplete any research project in the Normandy's laboratory 1 guideFashionistaPersonalize your armor in your quarters on the Normandy 3 guidesPower FullEvolve any power 3 guidesHighly TrainedView all advanced combat training videos at Shepard's private terminal. 2 guides Add-on Kasumi - Stolen Memory 19 15 1 4.1890,06290,062 (100%)1-2h Broke, Blind and BedlamGain the loyalty of the thief 3 guides Add-on Overlord 35 25 2 4.0974,82159,545 (80%)1-2h Data HoundCollect 6 Cerberus data packets scattered across Aite 3 guidesDigital ExorcistSuccessfully shut down the rogue VI in Project Overlord 2 guides Add-on Lair of the Shadow Broker 295 200 5 4.6387,08238,598 (44%)1-2h Detail OrientatedUse all information terminals in the Shadow Broker’s stronghold 2 guidesMost Dangerous GameDefeat the Shadow Broker’s Assassin 3 guidesHeart of DarknessConfront the Shadow Broker 1 guideThe Hard WayComplete the Shadow Broker Mission pack on Hardcore or Insanity 3 guidesCatching UpReminisce with Liara on the Normandy 2 guides Add-on Cerberus Network 17 15 1 3.74132,395132,397 (100%)1-2h Revenge!Gain the loyalty of the mercenary 2 guides Add-on Arrival 150 100 3 4.1172,65743,945 (60%)1-2h The Ultimate SacrificeComplete the Arrival DLC pack 3 guidesLast StandSurvive all five waves in the battle for Object Rho 5 guidesCovert ActionRescue Dr. Amanda Kenson without attracting hostile attention 5 guides