...and Practice
Build a Workshop.
Bronze
A Little Bit Alien
Modify a soldier.
Bronze
Ain't No Cavalry Comin'
Have a soldier survive every mission in a full game.
Silver
All Employees Must Wash Hands...
In a single game, complete every Autopsy.
Bronze
All Together Now
Get satellite coverage over every country on one continent.
Bronze
And So It Begins...
Complete the tutorial mission.
Bronze
Apotheosis Denied
Deal with the newest global threat.
Silver
Beyond the Veil (secret)
Find a soldier with the Gift.
Bronze
Drums in the Deep
Gain access to the lowest level in your base.
Bronze
Earth First
Beat the game on Classic difficulty.
Silver
Edison
In a single game, complete every Research Project.
Bronze
Elite Defense
Beat a new special mission without losing any assets.
Silver
Enemy Within
Get a Soldier to have 5 modifications.
Silver
Eye in the Sky
Launch a Satellite.
Bronze
Flight of the Valkyries (secret)
Win a mission with an all-female squad.
Bronze
Guardian of Earth
Designate a highly decorated soldier as the Volunteer.
Silver
Happy to Oblige
Fulfill a Council request.
Bronze
Humanity's Savior
Beat the game on any difficulty.
Bronze
Hunter/Killer
In a single game, shoot down one of each alien craft.
Bronze
Lone Wolf
Clear a UFO crash site with one soldier on Classic or Impossible difficulty.
Silver
Mental Minefield
Kill an enemy as it is psionically attacking you.
Bronze
No Looking Back
Beat the game in Ironman mode on Classic or Impossible difficulty.
Gold
Off My Planet (secret)
Recover the Hyperwave Beacon.
Bronze
On the Shoulders of Giants (secret)
Build the Gollop Chamber.
Bronze
Our Finest Hour
Beat the game on Impossible difficulty.
Gold
Pain in the Neck
Cause an enemy to suicide.
Bronze
Prisoner of War (secret)
Capture a live alien.
Bronze
Rise of the Machines
Field a squad consisting entirely of augmented soldiers and SHIVs (min. 4) and win the mission.
Bronze
Skunkworks
In a single game, complete every Foundry project.
Bronze
Someone Your Own Size
Kill a Muton Berserker in melee combat.
Bronze
Steel Martyr
Deploy three tactical subsystems on a single soldier.
Silver
Tables Turned
Shoot down a UFO.
Bronze
The Gatekeeper (secret)
Stun an Outsider.
Bronze
The Hardest Road
Advance one of your soldiers to Colonel rank.
Silver
The Volunteer (secret)
Make contact with the Ethereal hive mind.
Bronze
Theory...
Build a Laboratory.
Bronze
They Shall Not Pass
Eliminate all alien waves.
Bronze
Tingling Sensation
Kill an unseen enemy detected by a specially modified soldier.
Bronze
We Happy Few
Complete a mission without losing a soldier.
Bronze
Welcoming Committee
Kill 150 aliens.
Bronze
Wet Work
Complete a Very Difficult abduction mission in five turns or less on Classic or Impossible difficulty.
Silver
Where in the World
Make certain of the new threat's location.
Silver
Who Needs Limbs?
Augment a soldier.
Bronze
Worth Every Penny
Acquire 1000 credits in one month.
Bronze
X Marks the Spot (secret)
Uncover the alien base's location.
Bronze
Xavier (secret)
Mind Control an Ethereal.
Bronze
You Win
You Win, Everything.
Platinum
Zom-B-Gone
Eradicate the infestation.
Bronze