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59 of 85 (69%) achievements earned:
Personal Achievements
 

Humanity's Savior

Beat the game on any difficulty.
Unlocked 9 Dec, 2012 @ 7:06pm

Bada Boom

Kill 50 aliens with explosive weapons.
Unlocked 14 Mar, 2015 @ 4:08am

Welcoming Committee

Kill 150 aliens.
Unlocked 2 Dec, 2012 @ 2:35pm

Pale Horse

Kill 500 aliens.
Unlocked 14 Mar, 2015 @ 5:24am

As A Scalpel

Earn the "Excellent" rating in every performance category on a terror mission.
Unlocked 2 Dec, 2012 @ 10:11am

Edison

In a single game, complete every Research Project.
Unlocked 30 Nov, 2020 @ 7:25am

Angel of Death

Kill an alien while flying. Single player only.
Unlocked 9 Dec, 2012 @ 5:41pm

All Employees Must Wash Hands…

In a single game, complete every Autopsy.
Unlocked 9 Dec, 2012 @ 4:00pm

Beyond the Veil

Find a soldier with the Gift.
Unlocked 2 Dec, 2012 @ 2:17pm

Prisoner of War

Capture a live alien.
Unlocked 2 Dec, 2012 @ 8:20am

The Gatekeeper

Stun an Outsider.
Unlocked 2 Dec, 2012 @ 9:37am

X Marks the Spot

Uncover the alien base's location.
Unlocked 2 Dec, 2012 @ 10:14am

See All, Know All

Build the Hyperwave Relay.
Unlocked 2 Dec, 2012 @ 2:01pm

On the Shoulders of Giants

Build the Gollop Chamber.
Unlocked 9 Dec, 2012 @ 5:00pm

Ride the Lightning

Build a Firestorm.
Unlocked 9 Dec, 2012 @ 12:41pm

Eye in the Sky

Launch a Satellite.
Unlocked 2 Dec, 2012 @ 6:41am

All Together Now

Get satellite coverage over every country on one continent.
Unlocked 2 Dec, 2012 @ 2:21pm

Man No More

Build a suit of powered armor.
Unlocked 9 Dec, 2012 @ 5:03pm

We Happy Few

Complete a mission without losing a soldier.
Unlocked 2 Dec, 2012 @ 6:25am

The Hardest Road

Advance one of your soldiers to Colonel rank.
Unlocked 3 Dec, 2012 @ 1:32pm

Worth Every Penny

Acquire 1000 credits in one month.
Unlocked 9 Dec, 2012 @ 3:54pm

One Gun at a Time

Staff the Engineering Department with 80 engineers.
Unlocked 29 Nov, 2020 @ 11:42am

You Have 5 Seconds to Comply

Build a S.H.I.V.
Unlocked 3 Jul, 2016 @ 9:38am

Theory...

Build a Laboratory.
Unlocked 3 Dec, 2012 @ 1:57pm

...and Practice.

Build a Workshop.
Unlocked 2 Dec, 2012 @ 12:46pm

What Wonders Await

Complete a Research Project.
Unlocked 2 Dec, 2012 @ 6:55am

Up and Running

Build a base facility.
Unlocked 2 Dec, 2012 @ 6:40am

Combat Ready

Build an item.
Unlocked 2 Dec, 2012 @ 6:41am

Drums in the Deep

Gain access to the lowest level in your base.
Unlocked 10 Feb, 2019 @ 10:19am

Happy to Oblige

Fulfill a Council request.
Unlocked 2 Dec, 2012 @ 8:30am

And Hell's Coming With Me

Successfully assault an Overseer UFO.
Unlocked 9 Dec, 2012 @ 3:10pm

Off My Planet

Recover the Hyperwave Beacon.
Unlocked 2 Dec, 2012 @ 11:28am

Tables Turned

Shoot down a UFO.
Unlocked 2 Dec, 2012 @ 6:42am

And So It Begins…

Complete the tutorial mission.
Unlocked 20 Nov, 2013 @ 11:34pm

The Volunteer

Make contact with the Ethereal hive mind.
Unlocked 9 Dec, 2012 @ 5:14pm

Flight of the Valkyries

Win a mission with an all-female squad. Single player only.
Unlocked 30 Nov, 2020 @ 1:56am

New Friend

Complete Friends in Low Places.
Unlocked 8 Sep, 2013 @ 11:22am

Bait the Hook

Complete Confounding Light.
Unlocked 8 Sep, 2013 @ 1:04pm

The Bigger They Are

Complete Gangplank.
Unlocked 9 Sep, 2013 @ 1:29am

All Aboard

Complete Confounding Light with more than 3 turns left on the timer.
Unlocked 25 Nov, 2013 @ 5:17am

Who Needs Limbs?

Augment a soldier in single player
Unlocked 21 Nov, 2013 @ 9:43am

A Little Bit Alien

Modify a soldier in single player
Unlocked 30 Nov, 2013 @ 5:58am

Enemy Within

Get a Soldier to have 5 modifications in single player
Unlocked 20 Dec, 2013 @ 1:46pm

They Shall Not Pass

Eliminate all alien waves
Unlocked 25 Nov, 2013 @ 7:46am

Zom-B-Gone

Eradicate the infestation
Unlocked 25 Nov, 2013 @ 4:38am

The Meld Squad

Field a fully enhanced squad and win the mission
Unlocked 10 Feb, 2019 @ 4:30am

Shieldbuster

Eliminate an enemy's shield and kill it on the same turn in single player
Unlocked 25 Nov, 2013 @ 7:11am

Someone Your Own Size

Kill a Muton Berserker in melee combat in single player
Unlocked 2 Dec, 2013 @ 5:07am

Taking A Load Off

Stop a squad member from suffocating in single player
Unlocked 21 Nov, 2013 @ 1:13am

Nice Cover

Use Collateral Damage to blow up a car in single player
Unlocked 27 Nov, 2013 @ 7:06am

Mutatis Mutandis

Field a squad where all members have at least two modifications (min. 4) and win the mission
Unlocked 30 Nov, 2020 @ 4:38am

Anger Management

Proc Combat Rush on the entire squad (min. 4)
Unlocked 10 Feb, 2019 @ 10:19am

G’day

Kill an elite enemy Sniper with one of your own snipers in single player
Unlocked 2 Dec, 2013 @ 4:05am

Regenerate This

Kill an elite enemy Medic with explosive damage in single player
Unlocked 2 Dec, 2013 @ 6:46am

Pain in the Neck

Cause an enemy to suicide
Unlocked 25 Nov, 2013 @ 8:19am

Solid Prospect

Complete Deluge
Unlocked 30 Nov, 2013 @ 5:58am

Ours are the Furies

Complete Furies
Unlocked 2 Dec, 2013 @ 5:14am

Elite Defense

Beat a new special mission without losing any assets
Unlocked 27 Nov, 2013 @ 7:23am

All Hands on Deck

Get at least 4 kills with XCOM Base Security personnel
Unlocked 25 Nov, 2013 @ 6:45am



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.

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.

Shooting Stars

Shoot down 40 UFOs.

Ain't No Cavalry Comin'

Have a soldier survive every mission in a full game.

Hunter/Killer

In a single game, shoot down one of each alien craft.

Bubonic

Play a multiplayer match against someone with this achievement.

Oppenheimer

Staff the Research Labs with 80 scientists.

Skunkworks

In a single game, complete every Foundry project.

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.

Steel Martyr

Deploy three tactical subsystems on a single soldier in single player

Apotheosis Denied

Deal with the newest global threat

An Army Of Four

Beat the game without buying a Squad Size upgrade (Classic+ difficulty)

Where in the World

Make certain of the new threat's location

Mind the Step

Jump two stories in one move 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

Mental Minefield

Kill an enemy as it is psionically attacking you in single player

Remington… Max Remington

Have your special-duty soldier kill three enemies in the same mission

Tingling Sensation

Kill an unseen enemy detected by a specially modified soldier in single player

Guardian of Earth

Designate a highly decorated soldier as the Volunteer
+1

1 hidden achievement remaining

Details for each achievement will be revealed once unlocked