XCOM: Enemy Unknown Achievement List

• 100
  
  Ultra Rare

  2.41%
  No Looking Back

  Beat the game in Ironman mode on Classic or Impossible difficulty.
• 25
  
  Very Rare

  12.91%
  Meet New People. Then Kill Them.

  Win a multiplayer match.
• 10
  
  Very Rare

  7.49%
  Xavier

  Mind Control an Ethereal. Single player only.
• 30
  
  Rare

  30.14%
  Humanity's Savior

  Beat the game on any difficulty.
• 60
  
  Very Rare

  5.17%
  Earth First

  Beat the game on Classic difficulty.
• 90
  
  Ultra Rare

  1.56%
  Our Finest Hour

  Beat the game on Impossible difficulty.
• 20
  
  Ultra Rare

  3.16%
  Lone Wolf

  Clear a UFO crash site with one soldier on Classic or Impossible difficulty.
• 10
  
  Rare

  26.91%
  Bada Boom

  Kill 50 aliens with explosive weapons.
• 20
  
  Common

  62.43%
  Welcoming Committee

  Kill 150 aliens.
• 50
  
  Uncommon

  31.89%
  Pale Horse

  Kill 500 aliens.
• 35
  
  Very Rare

  5.43%
  Shooting Stars

  Shoot down 40 UFOs.
• 50
  
  Ultra Rare

  4.48%
  Ain't No Cavalry Comin'

  Have a soldier survive every mission in a full game.
• 25
  
  Uncommon

  44.27%
  As A Scalpel

  Earn the "Excellent" rating in every performance category on a terror mission.
• 25
  
  Very Rare

  9.52%
  Edison

  In a single game, complete every Research Project.
• 10
  
  Rare

  24.90%
  Angel of Death

  Kill an alien while flying. Single player only.
• 10
  
  Uncommon

  38.21%
  All Employees Must Wash Hands...

  In a single game, complete every Autopsy.
• 10
  
  Uncommon

  41.15%
  Beyond the Veil

  Find a soldier with the Gift.
• 10
  
  Common

  74.14%
  Prisoner of War

  Capture a live alien.
• 10
  
  Common

  65.80%
  The Gatekeeper

  Stun an Outsider.
• 10
  
  Common

  63.29%
  X Marks the Spot

  Uncover the alien base's location.
• 10
  
  Uncommon

  43.37%
  See All, Know All

  Build the Hyperwave Relay.
• 10
  
  Uncommon

  35.92%
  On the Shoulders of Giants

  Build the Gollop Chamber.
• 10
  
  Uncommon

  47.10%
  Ride the Lightning

  Build a Firestorm.
• 5
  
  Common

  87.10%
  Eye in the Sky

  Launch a Satellite.
• 10
  
  Uncommon

  50.77%
  All Together Now

  Get satellite coverage over every country on one continent.
• 15
  
  Rare

  19.36%
  Hunter/Killer

  In a single game, shoot down one of each alien craft.
• 10
  
  Uncommon

  49.68%
  Man No More

  Build a suit of powered armor.
• 10
  
  Ultra Rare

  3.50%
  Poison Control

  Cure poison on five soldiers in a single mission. Single player only.
• 10
  
  Common

  90.48%
  We Happy Few

  Complete a mission without losing a soldier.
• 10
  
  Uncommon

  58.51%
  The Hardest Road

  Advance one of your soldiers to Colonel rank.
• 20
  
  Uncommon

  48.12%
  Worth Every Penny

  Acquire 1000 credits in one month.
• 20
  
  Uncommon

  31.74%
  Oppenheimer

  Staff the Research Labs with 80 scientists.
• 20
  
  Uncommon

  34.26%
  One Gun at a Time

  Staff the Engineering Department with 80 engineers
• 20
  
  Rare

  18.74%
  Skunkworks

  In a single game, complete every Foundry project.
• 10
  
  Uncommon

  45.86%
  You Have 5 Seconds to Comply

  Build a S.H.I.V.
• 10
  
  Common

  62.65%
  Theory...

  Build a Laboratory.
• 10
  
  Common

  68.32%
  ...and Practice

  Build a Workshop.
• 10
  
  Ultra Rare

  4.36%
  Wet Work

  Complete a Very Hard abduction mission in five turns or less on Classic or Impossible difficulty.
• 50
  
  Ultra Rare

  1.09%
  A Continental Fellow

  Win the game from each of the 5 starting locations.
• 5
  
  Common

  90.58%
  What Wonders Await

  Complete a Research Project.
• 5
  
  Common

  84.15%
  Up and Running

  Build a base facility.
• 5
  
  Common

  90.54%
  Combat Ready

  Build an item.
• 10
  
  Uncommon

  45.99%
  Drums in the Deep

  Gain access to the lowest level in your base.
• 15
  
  Common

  76.44%
  Happy to Oblige

  Fulfill a Council request.
• 10
  
  Uncommon

  38.71%
  And Hell's Coming With Me

  Successfully assault an Overseer UFO.
• 25
  
  Uncommon

  50.95%
  Off My Planet

  Recover the Hyperwave Beacon.
• 10
  
  Common

  86.52%
  Tables Turned

  Shoot down a UFO.
• 15
  
  Common

  93.56%
  And So It Begins...

  Complete the tutorial mission.
• 10
  
  Uncommon

  32.91%
  The Volunteer

  Make contact with the Ethereal hive mind.
• 10
  
  Very Rare

  14.46%
  Flight of the Valkyries

  Win a mission with an all-female squad. Single player only.
• 10
  
  Very Rare

  8.08%
  New Friend

  Complete Friends in Low Places.
• 10
  
  Very Rare

  7.12%
  Bait the Hook

  Complete Confounding Light.
• 20
  
  Very Rare

  6.46%
  The Bigger They Are

  Complete Gangplank.
• 30
  
  Ultra Rare

  3.21%
  Rising Dragon

  Take your new ally into the final challenge.
• 30
  
  Ultra Rare

  3.79%
  All Aboard

  Complete Confounding Light with more than 3 turns left on the timer.