No Looking Back
Beat the game in Ironman mode on Classic or Impossible difficulty.
100 
Our Finest Hour
Beat the game on Impossible difficulty.
90 
Earth First
Beat the game on Classic difficulty.
60 
Pale Horse
Kill 500 aliens.
50 
Ain't No Cavalry Comin'
Have a soldier survive every mission in a full game.
50 
A Continental Fellow
Win the game from each of the 5 starting locations.
50 
Shooting Stars
Shoot down 40 UFOs.
35 
Humanity's Savior
Beat the game on any difficulty.
30 
Rising Dragon
Take your new ally into the final challenge.
30 
All Aboard
Complete Confounding Light with more than 3 turns left on the timer.
30 
As A Scalpel
Earn the "Excellent" rating in every performance category on a terror mission.
25 
Edison
In a single game, complete every Research Project.
25 
🔐 Meet New People. Then Kill Them.
Win a multiplayer match.
25 
🔐 Off My Planet
Recover the Hyperwave Beacon.
25 
Worth Every Penny
Acquire 1000 credits in one month.
20 
Oppenheimer
Staff the Research Labs with 80 scientists.
20 
One Gun at a Time
Staff the Engineering Department with 80 engineers
20 
Skunkworks
In a single game, complete every Foundry project.
20 
The Bigger They Are
Complete Gangplank.
20 
Lone Wolf
Clear a UFO crash site with one soldier on Classic or Impossible difficulty.
20 
Welcoming Committee
Kill 150 aliens.
20 
Hunter/Killer
In a single game, shoot down one of each alien craft.
15 
Happy to Oblige
Fulfill a Council request.
15 
And So It Begins...
Complete the tutorial mission.
15 
🔐 Angel of Death
Kill an alien while flying. Single player only.
10 
All Employees Must Wash Hands...
In a single game, complete every Autopsy.
10 
🔐 Beyond the Veil
Find a soldier with the Gift.
10 
🔐 Prisoner of War
Capture a live alien.
10 
🔐 The Gatekeeper
Stun an Outsider.
10 
🔐 X Marks the Spot
Uncover the alien base's location.
10 
🔐 See All, Know All
Build the Hyperwave Relay.
10 
🔐 On the Shoulders of Giants
Build the Gollop Chamber.
10 
🔐 Ride the Lightning
Build a Firestorm.
10 
All Together Now
Get satellite coverage over every country on one continent.
10 
Man No More
Build a suit of powered armor.
10 
🔐 Poison Control
Cure poison on five soldiers in a single mission. Single player only.
10 
We Happy Few
Complete a mission without losing a soldier.
10 
🔐 Xavier
Mind Control an Ethereal. Single player only.
10 
The Hardest Road
Advance one of your soldiers to Colonel rank.
10 
You Have 5 Seconds to Comply
Build a S.H.I.V.
10 
Theory...
Build a Laboratory.
10 
...and Practice
Build a Workshop.
10 
Wet Work
Complete a Very Hard abduction mission in five turns or less on Classic or Impossible difficulty.
10 
Drums in the Deep
Gain access to the lowest level in your base.
10 
🔐 And Hell's Coming With Me
Successfully assault an Overseer UFO.
10 
Tables Turned
Shoot down a UFO.
10 
🔐 The Volunteer
Make contact with the Ethereal hive mind.
10 
🔐 Flight of the Valkyries
Win a mission with an all-female squad. Single player only.
10 
New Friend
Complete Friends in Low Places.
10 
Bait the Hook
Complete Confounding Light.
10 
Bada Boom
Kill 50 aliens with explosive weapons.
10 
Eye in the Sky
Launch a Satellite.
5 
What Wonders Await
Complete a Research Project.
5 
Up and Running
Build a base facility.
5 
Combat Ready
Build an item.
5