XCOM: Enemy Unknown
teknohed's Progress
No Looking Back
Beat the game in Ironman mode on Classic or Impossible Difficulty.
Meet New People. Then Kill Them.
Win a multiplayer match.
Xavier
Mind Control an Ethereal. Single player only.
Unlocked 21 Dec 2012 at 8:21 PM
Humanity's Savior
Beat the game on any difficulty.
Unlocked 13 Sep 2013 at 5:02 PM
Earth First
Beat the game on Classic difficulty.
Our Finest Hour
Beat the game on Impossible difficulty.
Lone Wolf
Clear a UFO crash site with one soldier on Classic or Impossible difficulty.
Bada Boom
Kill 50 aliens with explosive weapons.
Unlocked 13 Dec 2012 at 9:27 PM
Welcoming Committee
Kill 150 aliens.
Unlocked 29 Oct 2012 at 6:03 PM
Pale Horse
Kill 500 aliens.
Unlocked 6 Dec 2012 at 4:24 PM
Shooting Stars
Shoot down 40 UFOs.
Ain't No Cavalry Comin'
Have a soldier survive every mission in a full game.
As A Scalpel
Earn the "Excellent" rating in every performance category on a terror mission.
Unlocked 25 Oct 2012 at 5:38 PM
Edison
In a single game, complete every Research Project.
Angel of Death
Kill an alien while flying. Single player only.
Unlocked 11 Dec 2012 at 6:07 PM
All Employees Must Wash Hands…
In a single game, complete every Autopsy.
Unlocked 13 Dec 2012 at 9:06 PM
Beyond the Veil
Unlocked 18 Dec 2012 at 7:03 PM
Prisoner of War
Unlocked 25 Oct 2012 at 5:24 PM
The Gatekeeper
Unlocked 26 Oct 2012 at 3:24 PM
X Marks the Spot
Unlocked 26 Oct 2012 at 5:45 PM
See All, Know All
Unlocked 13 Dec 2012 at 5:21 PM
On the Shoulders of Giants
Unlocked 13 Dec 2012 at 9:50 PM
Ride the Lightning
Unlocked 9 Nov 2012 at 4:26 PM
Eye in the Sky
Launch a Satellite.
Unlocked 22 Oct 2012 at 6:56 PM
All Together Now
Get satellite coverage over every country on one continent.
Unlocked 1 Nov 2012 at 3:27 PM
Hunter/Killer
In a single game, shoot down one of each alien craft.
Unlocked 13 Dec 2012 at 5:23 PM
Man No More
Build a suit of powered armor.
Unlocked 6 Nov 2012 at 4:04 PM
Bubonic
Play a multiplayer match against someone with this achievement.
We Happy Few
Complete a mission without losing a soldier.
Unlocked 21 Oct 2012 at 10:51 PM
The Hardest Road
Advance one of your soldiers to Colonel rank.
Unlocked 31 Oct 2012 at 3:53 PM
Worth Every Penny
Acquire 1000 credits in one month.
Unlocked 9 Nov 2012 at 9:10 PM
Oppenheimer
Staff the Research Labs with 80 scientists.
Unlocked 9 Nov 2012 at 9:10 PM
One Gun at a Time
Staff the Engineering Department with 80 engineers.
Unlocked 16 Nov 2012 at 9:47 PM
Skunkworks
In a single game, complete every Foundry project.
Unlocked 13 Dec 2012 at 5:21 PM
You Have 5 Seconds to Comply
Build a S.H.I.V.
Unlocked 7 Nov 2012 at 6:27 PM
Theory...
Build a Laboratory.
Unlocked 23 Oct 2012 at 6:30 PM
...and Practice.
Build a Workshop.
Unlocked 25 Oct 2012 at 5:24 PM
Wet Work
Complete a Very Hard abduction mission in five turns or less on Classic or Impossible difficulty.
A Continental Fellow
Win the game from each of the 5 starting locations.
What Wonders Await
Complete a Research Project.
Unlocked 21 Oct 2012 at 11:18 PM
Up and Running
Build a base facility.
Unlocked 22 Oct 2012 at 8:45 PM
Combat Ready
Build an item.
Unlocked 21 Oct 2012 at 11:20 PM
Drums in the Deep
Gain access to the lowest level in your base.
Unlocked 23 Oct 2012 at 6:46 PM
Happy to Oblige
Fulfill a Council request.
Unlocked 23 Oct 2012 at 6:46 PM
And Hell's Coming With Me
Unlocked 13 Dec 2012 at 9:02 PM
Off My Planet
Unlocked 13 Dec 2012 at 4:19 PM
Tables Turned
Shoot down a UFO.
Unlocked 22 Oct 2012 at 7:02 PM
And So It Begins…
Complete the tutorial mission.
Unlocked 21 Oct 2012 at 10:31 PM
The Volunteer
Unlocked 10 Sep 2013 at 4:45 PM
Flight of the Valkyries
Win a mission with an all-female squad. Single player only.
Unlocked 27 Oct 2012 at 11:26 PM
New Friend
Bait the Hook
The Bigger They Are
Rising Dragon
All Aboard
Who Needs Limbs?
Augment a soldier in single player
Unlocked 14 Mar 2014 at 4:49 PM
A Little Bit Alien
Modify a soldier in single player
Unlocked 1 May 2014 at 4:54 PM
Enemy Within
Get a Soldier to have 5 modifications in single player
Steel Martyr
Deploy three tactical subsystems on a single soldier in single player
Unlocked 15 Apr 2014 at 4:51 PM
Apotheosis Denied
Deal with the newest global threat
Unlocked 19 Apr 2014 at 12:41 AM
They Shall Not Pass
Eliminate all alien waves
Unlocked 1 May 2014 at 4:52 PM
Zom-B-Gone
Eradicate the infestation
Unlocked 19 Mar 2014 at 4:44 PM
An Army Of Four
Beat the game without buying a Squad Size upgrade (Classic+ difficulty)
The Meld Squad
Field a fully enhanced squad and win the mission
Shieldbuster
Eliminate an enemy's shield and kill it on the same turn in single player
Unlocked 24 Mar 2014 at 8:43 PM
Someone Your Own Size
Kill a Muton Berserker in melee combat in single player
Taking A Load Off
Stop a squad member from suffocating in single player
Unlocked 14 Mar 2014 at 5:03 PM
Where in the World
Make certain of the new threat's location
Unlocked 19 Apr 2014 at 12:23 AM
Mind the Step
Jump two stories in one move in single player
Nice Cover
Use Collateral Damage to blow up a car in single player
By Our Powers Combined
Field a squad with 4 augmented soldiers, each with a different base ability and win the mission
Rise of the Machines
Field a squad consisting entirely of augmented soldiers and SHIVs (min. 4) and win the mission
Mutatis Mutandis
Field a squad where all members have at least two modifications (min. 4) and win the mission
Mental Minefield
Kill an enemy as it is psionically attacking you in single player
Anger Management
Proc Combat Rush on the entire squad (min. 4)
Remington… Max Remington
Have your special-duty soldier kill three enemies in the same mission
Unlocked 10 Apr 2014 at 4:49 PM
G’day
Kill an elite enemy Sniper with one of your own snipers in single player
Unlocked 28 Mar 2014 at 4:42 PM
Regenerate This
Kill an elite enemy Medic with explosive damage in single player
Unlocked 31 Mar 2014 at 4:53 PM
Tingling Sensation
Kill an unseen enemy detected by a specially modified soldier in single player
Pain in the Neck
Cause an enemy to suicide
Unlocked 20 Mar 2014 at 5:08 PM
Solid Prospect
Complete Deluge
Unlocked 14 May 2014 at 5:04 PM
Ours are the Furies
Complete Furies
Elite Defense
Beat a new special mission without losing any assets
Unlocked 21 Mar 2014 at 4:08 PM
Guardian of Earth
Designate a highly decorated soldier as the Volunteer
All Hands on Deck
Get at least 4 kills with XCOM Base Security personnel
Unlocked 30 Apr 2014 at 9:18 PM