XCOM: Enemy Unknown Achievements Full list of all 85 XCOM: Enemy Unknown achievements. It takes around 200 hours to unlock all of the achievements in the base game on Windows.The base game contains 50 achievements, and there are 2 DLC packs containing 35 achievements.Filter Achievement View View Image viewList view Sort by TrueSteamAchievement desc TrueSteamAchievement asc Achievement name desc Achievement name asc TSA Ratio desc TSA Ratio asc Gamers desc Gamers asc Steam order Date won desc Date won asc DLC Packs Group DLC packs together in list DLC Filter AllOwnedNone Flag Filter All None 83 Offline Mode 2 Online Mode 83 Single Player 2 Versus 18 Main Storyline 6 Difficulty Specific 3 Stackable 60 Missable 4 Cumulative + 2 Level 24 Shop 1 Viral 1 Multiple Playthroughs Required Link flagsOR joinAND join Achievements without these flags What are achievement flags? Click to find outApply Base Base Game (Excludes DLC) 1,027 50 4.3918,638390 (2%)200+h No Looking BackBeat the game in Ironman mode on Classic or Impossible Difficulty. 1 guideMeet New People. Then Kill Them.Win a multiplayer match. XavierMind Control an Ethereal. Single player only. 1 guideHumanity's SaviorBeat the game on any difficulty. Earth FirstBeat the game on Classic difficulty. Our Finest HourBeat the game on Impossible difficulty. 1 guideLone WolfClear a UFO crash site with one soldier on Classic or Impossible difficulty. 1 guideBada BoomKill 50 aliens with explosive weapons. Welcoming CommitteeKill 150 aliens. Pale HorseKill 500 aliens. Shooting StarsShoot down 40 UFOs. 1 guideAin't No Cavalry Comin'Have a soldier survive every mission in a full game. 1 guideAs A ScalpelEarn the "Excellent" rating in every performance category on a terror mission. EdisonIn a single game, complete every Research Project. 1 guideAngel of DeathKill an alien while flying. Single player only. 1 guideAll Employees Must Wash Hands…In a single game, complete every Autopsy. Beyond the VeilFind a soldier with the Gift. Prisoner of WarCapture a live alien. The GatekeeperStun an Outsider. X Marks the SpotUncover the alien base's location. See All, Know AllBuild the Hyperwave Relay. On the Shoulders of GiantsBuild the Gollop Chamber. Ride the LightningBuild a Firestorm. Eye in the SkyLaunch a Satellite. All Together NowGet satellite coverage over every country on one continent. 1 guideHunter/KillerIn a single game, shoot down one of each alien craft. Man No MoreBuild a suit of powered armor. BubonicPlay a multiplayer match against someone with this achievement. We Happy FewComplete a mission without losing a soldier. The Hardest RoadAdvance one of your soldiers to Colonel rank. Worth Every PennyAcquire 1000 credits in one month. OppenheimerStaff the Research Labs with 80 scientists. One Gun at a TimeStaff the Engineering Department with 80 engineers. SkunkworksIn a single game, complete every Foundry project. You Have 5 Seconds to ComplyBuild a S.H.I.V. Theory...Build a Laboratory. ...and Practice.Build a Workshop. Wet WorkComplete a Very Hard abduction mission in five turns or less on Classic or Impossible difficulty. 1 guideA Continental FellowWin the game from each of the 5 starting locations. 1 guideWhat Wonders AwaitComplete a Research Project. Up and RunningBuild a base facility. Combat ReadyBuild an item. Drums in the DeepGain access to the lowest level in your base. 1 guideHappy to ObligeFulfill a Council request. And Hell's Coming With MeSuccessfully assault an Overseer UFO. Off My PlanetRecover the Hyperwave Beacon. Tables TurnedShoot down a UFO. And So It Begins…Complete the tutorial mission. 1 guideThe VolunteerMake contact with the Ethereal hive mind. Flight of the ValkyriesWin a mission with an all-female squad. Single player only. Add-on Slingshot Pack 83 50 5 4.287,0991,187 (17%)2-3h New FriendComplete Friends in Low Places. Bait the HookComplete Confounding Light. The Bigger They AreComplete Gangplank. Rising DragonTake your new ally into the final challenge. 1 guideAll AboardComplete Confounding Light with more than 3 turns left on the timer. 1 guide Add-on Enemy Within 622 300 30 4.787,297482 (7%)40-50h Who Needs Limbs?Augment a soldier in single player A Little Bit AlienModify a soldier in single player Enemy WithinGet a Soldier to have 5 modifications in single player Steel MartyrDeploy three tactical subsystems on a single soldier in single player Apotheosis DeniedDeal with the newest global threat They Shall Not PassEliminate all alien waves Zom-B-GoneEradicate the infestation An Army Of FourBeat the game without buying a Squad Size upgrade (Classic+ difficulty) The Meld SquadField a fully enhanced squad and win the mission ShieldbusterEliminate an enemy's shield and kill it on the same turn in single player Someone Your Own SizeKill a Muton Berserker in melee combat in single player 1 guideTaking A Load OffStop a squad member from suffocating in single player Where in the WorldMake certain of the new threat's location 1 guideMind the StepJump two stories in one move in single player Nice CoverUse Collateral Damage to blow up a car in single player By Our Powers CombinedField a squad with 4 augmented soldiers, each with a different base ability and win the mission Rise of the MachinesField a squad consisting entirely of augmented soldiers and SHIVs (min. 4) and win the mission Mutatis MutandisField a squad where all members have at least two modifications (min. 4) and win the mission Mental MinefieldKill an enemy as it is psionically attacking you in single player Anger ManagementProc Combat Rush on the entire squad (min. 4) Remington… Max RemingtonHave your special-duty soldier kill three enemies in the same mission 1 guideG’dayKill an elite enemy Sniper with one of your own snipers in single player Regenerate ThisKill an elite enemy Medic with explosive damage in single player Tingling SensationKill an unseen enemy detected by a specially modified soldier in single player Pain in the NeckCause an enemy to suicide 2 guidesSolid ProspectComplete Deluge Ours are the FuriesComplete Furies Elite DefenseBeat a new special mission without losing any assets Guardian of EarthDesignate a highly decorated soldier as the Volunteer All Hands on DeckGet at least 4 kills with XCOM Base Security personnel