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XCOM: Enemy Unknown
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Secret Achievements (Show)
XCOM: Enemy Unknown achievements
Eradicate the infestation
You Have 5 Seconds to Comply
Build a S.H.I.V.
Mind Control an Ethereal. Single player only.
X Marks the Spot
Uncover the alien base's location.
Worth Every Penny
Acquire 1000 credits in one month.
Who Needs Limbs?
Augment a soldier in single player
Where in the World
Make certain of the new threat's location
What Wonders Await
Complete a Research Project.
Complete a Very Hard abduction mission in five turns or less on Classic or Impossible difficulty.
Kill 150 aliens.
We Happy Few
Complete a mission without losing a soldier.
Up and Running
Build a base facility.
Kill an unseen enemy detected by a specially modified soldier in single player
They Shall Not Pass
Eliminate all alien waves
Build a Laboratory.
Make contact with the Ethereal hive mind.
The Meld Squad
Field a fully enhanced squad and win the mission
The Hardest Road
Advance one of your soldiers to Colonel rank.
Stun an Outsider.
The Bigger They Are
Taking A Load Off
Stop a squad member from suffocating in single player
Shoot down a UFO.
Deploy three tactical subsystems on a single soldier in single player
Someone Your Own Size
Kill a Muton Berserker in melee combat in single player
In a single game, complete every Foundry project.
Shoot down 40 UFOs.
Eliminate an enemy's shield and kill it on the same turn in single player
See All, Know All
Build the Hyperwave Relay.
Take your new ally into the final challenge.
Rise of the Machines
Field a squad consisting entirely of augmented soldiers and SHIVs (min. 4) and win the mission
Ride the Lightning
Build a Firestorm.
Remington… Max Remington
Have your special-duty soldier kill three enemies in the same mission
Kill an elite enemy Medic with explosive damage in single player
Prisoner of War
Capture a live alien.
Kill 500 aliens.
Pain in the Neck
Cause an enemy to suicide
Ours are the Furies
Our Finest Hour
Beat the game on Impossible difficulty.
Staff the Research Labs with 80 scientists.
One Gun at a Time
Staff the Engineering Department with 80 engineers.
On the Shoulders of Giants
Build the Gollop Chamber.
Off My Planet
Recover the Hyperwave Beacon.
No Looking Back
Beat the game in Ironman mode on Classic or Impossible Difficulty.
Use Collateral Damage to blow up a car in single player
Complete Friends in Low Places.
Field a squad where all members have at least two modifications (min. 4) and win the mission
Mind the Step
Jump two stories in one move in single player
Kill an enemy as it is psionically attacking you in single player
Meet New People. Then Kill Them.
Win a multiplayer match.
Man No More
Build a suit of powered armor.
Clear a UFO crash site with one soldier on Classic or Impossible difficulty.
In a single game, shoot down one of each alien craft.
Beat the game on any difficulty.
Happy to Oblige
Fulfill a Council request.
Guardian of Earth
Designate a highly decorated soldier as the Volunteer
Kill an elite enemy Sniper with one of your own snipers in single player
Flight of the Valkyries
Win a mission with an all-female squad. Single player only.
Eye in the Sky
Launch a Satellite.
Get a Soldier to have 5 modifications in single player
Beat a new special mission without losing any assets
In a single game, complete every Research Project.
Beat the game on Classic difficulty.
Drums in the Deep
Gain access to the lowest level in your base.
Build an item.
By Our Powers Combined
Field a squad with 4 augmented soldiers, each with a different base ability and win the mission
Play a multiplayer match against someone with this achievement.
Beyond the Veil
Find a soldier with the Gift.
Bait the Hook
Complete Confounding Light.
Kill 50 aliens with explosive weapons.
As A Scalpel
Earn the "Excellent" rating in every performance category on a terror mission.
Deal with the newest global threat
Proc Combat Rush on the entire squad (min. 4)
Angel of Death
Kill an alien while flying. Single player only.
And So It Begins…
Complete the tutorial mission.
And Hell's Coming With Me
Successfully assault an Overseer UFO.
An Army Of Four
Beat the game without buying a Squad Size upgrade (Classic+ difficulty)
All Together Now
Get satellite coverage over every country on one continent.
All Hands on Deck
Get at least 4 kills with XCOM Base Security personnel
All Employees Must Wash Hands…
In a single game, complete every Autopsy.
Complete Confounding Light with more than 3 turns left on the timer.
Ain't No Cavalry Comin'
Have a soldier survive every mission in a full game.
A Little Bit Alien
Modify a soldier in single player
A Continental Fellow
Win the game from each of the 5 starting locations.
Build a Workshop.