Earth Avenged
Overthrow the aliens at any difficulty level
Defender of Humanity
Overthrow the aliens on Commander difficulty
Immortal Commander
Overthrow the aliens on Legend difficulty
Tinker
Build an experimental item in the Proving Grounds
Rise of the Resistance
Make contact with a region
First Blood
Complete the tactical tutorial
Rebel Radio
Codebreaker
Room to Grow
Upgrade a facility
Shadow Broker
Sell goods worth 1000 supplies to the Black Market (Can span multiple games)
Rumor Hunter
Complete a Rumor
A Horrible Truth
A Grim Key
A Dark Doorway
A Line Crossed
A God Falls
Meat Over Metal
Kill a Sectopod on the same turn you encounter it
Like Clockwork
Complete a successful ambush
Mechlord
Hack and take control of a Sectopod
Nick of Time
Evacuate a soldier whose bleed-out timer is still running
Locked and Loaded
Upgrade a weapon
Excalibur
Completely upgrade a beam weapon with superior grade weapon upgrades
David and Goliath
Kill a Berserker in melee combat
Breathing Room
Kill a Viper who is strangling a squadmate
Come Back To Me
Kill a Sectoid who is currently mind controlling a squadmate
Stop Hitting Yourself
Kill an enemy with a hacked turret
Shen's Legacy
Build a facility in every Avenger slot
Bring It Down
Sabotage an alien facility
Have a Nice Trip
Cause an enemy to fall to its death
Car Wrecked
Cause an enemy to die in a vehicle explosion
Exquisite Timing
Beat the game on Commander+ difficulty by July 1st (July 15th for War of the Chosen)
Who Needs Tygan?
Beat the final mission using only conventional gear
The Few and the Proud
Beat the game on Commander+ difficulty without buying a Squad Size upgrade
The Untouchables
Beat the game on Commander+ without losing a soldier
Pile 'Em Up
Kill 500 aliens. (does not have to be in same game)
The Most Dangerous Game
Win a multiplayer match.
Overpowered
Beat a mission on Commander+ with a squad composed entirely of soldiers of the same class (but not Rookie)
Heroes of the Resistance
Beat a Retaliation mission with no more than 3 civilian deaths
Cyberlord
Earn a second tier hack reward
Heavy Metal
Kill an enemy with every heavy weapon in the game (Doesn't have to be in the same game)
The Sun Never Sets
Build a radio relay on every continent
Global Resistance
Get all of the continent bonuses available in a single campaign
Beginner's Luck
Beat a mission in June or later using only Rookies
Brutal Collection
Skulljack each different type of ADVENT soldier (does not have to be in same game)
With Extreme Prejudice
Skulljack an ADVENT Officer
A Better Human Being
A Final Stand
Harder, Better, Faster, Stronger
Apply a PCS upgrade to a soldier
Now Am I Become Death
Kill 3 enemies in a single turn, with a single soldier, without explosives
Valhalla
Beat the game on Commander+ difficulty in Ironman mode
A Forbidden Experiment
Viper Vanquisher
Kill the Viper Ruler
Berserker Breaker
Kill the Berserker Ruler
Archon Annihilator
Kill the Archon Ruler
Kingslayer
Kill all alien rulers in a single game
Deadly Arsenal
Purchase all of the final tier Hunter Weapons
Now I Am The Master
Use all ruler armor abilities in a single mission
Enemy Adopted
Use a ruler armor ability against an alien ruler
Regicide
Kill an alien ruler the first time you encounter it
Not Throwing Away My Shot
Kill an alien ruler while it attempts to escape
A Torch Passed
Beat the Lost Towers mission
Our New Overlords
Promote a SPARK unit to Champion rank
Rise of the Robots
Complete a mission with three or more SPARK units in the squad
Matter Over Mind
Defeat an Avatar with a SPARK unit
Running on Fumes
A SPARK unit survives a mission it started with less than half health
Bells and Whistles
Outfit a SPARK unit with the highest tier weaponry and armor
Always be Shooting
Hit three shots on a single turn with a SPARK unit after using its Overdrive ability
Axles to Axles, Bolts to Bolts
Defeat a robotic enemy with a SPARK unit
Just Like Dad Used To Make
Build a SPARK unit
Make ‘em go Boom
Kill an enemy primed Derelict MEC before it can self-destruct
A New Alliance
Complete the Lost and Abandoned mission
A Rival Silenced
Permanently defeat one of the Chosen
Zombies in a Barrel
Get 15 Headshots against Lost in a single turn
Born in the Darkness
Get four kills from Shadow mode with a Reaper in a single mission
Circle of Psi
Raise a Templar to maximum Focus level, spend it all, and reach the max again in a single mission
Can't Stop the Fighting
Perform three offensive actions against the same target with a Skirmisher in a single turn
It Takes Two
Form a level 3 bond between two soldiers
Weary Warriors
Complete a mission with all Tired soldiers and no casualties
Fully Operational Resistance
Raise XCOM's influence with all three factions to High in a single game
No One Left Behind
Rescue a soldier who was captured by the Chosen
Deja Vu All Over Again
Complete the 'Blast From the Past' legacy operation with a gold medal
Bug Fisherman
Complete the 'It Came From the Sea' legacy operation with a gold medal
Fully Operational Battlestation
Complete the 'Avenger Assemble' legacy operation with a gold medal
The Gang's All Here
Complete 'The Lazarus Project' legacy operation with a gold medal
Campaign Microcosm
Complete a random legacy operation
Honorary Level Designer
Complete a Skirmish Mission
Playing For Score
Complete a Local Challenge
There's A Future In The Past
Complete a single player campaign with Tactical Legacy Pack content