XCOM 2

Overthrow the aliens at any difficulty level

LockedSteam

Overthrow the aliens on Commander difficulty

LockedSteam

Complete a Rumor

LockedSteam

Kill a Sectopod on the same turn you encounter it

LockedSteam

Complete a successful ambush

LockedSteam

Hack and take control of a Sectopod

LockedSteam

Overthrow the aliens on Legend difficulty

LockedSteam

Evacuate a soldier whose bleed-out timer is still running

LockedSteam

Upgrade a weapon

LockedSteam

Completely upgrade a beam weapon with superior grade weapon upgrades

LockedSteam

Kill a Berserker in melee combat

LockedSteam

Kill a Viper who is strangling a squadmate

LockedSteam

Kill a Sectoid who is currently mind controlling a squadmate

LockedSteam

Kill an enemy with a hacked turret

LockedSteam

Build a facility in every Avenger slot

LockedSteam

Sabotage an alien facility

LockedSteam

Cause an enemy to fall to its death

LockedSteam

Build an experimental item in the Proving Grounds

LockedSteam

Cause an enemy to die in a vehicle explosion

LockedSteam

Beat the game on Commander+ difficulty by July 1st (July 15th for War of the Chosen)

LockedSteam

Beat the final mission using only conventional gear

LockedSteam

Beat the game on Commander+ difficulty without buying a Squad Size upgrade

LockedSteam

Beat the game on Commander+ without losing a soldier

LockedSteam

Kill 500 aliens. (does not have to be in same game)

LockedSteam

Win a multiplayer match.

LockedSteam

Beat a mission on Commander+ with a squad composed entirely of soldiers of the same class (but not Rookie)

LockedSteam

Beat a Retaliation mission with no more than 3 civilian deaths

LockedSteam

Earn a second tier hack reward

LockedSteam

Make contact with a region

LockedSteam

Kill an enemy with every heavy weapon in the game (Doesn't have to be in the same game)

LockedSteam

Build a radio relay on every continent

LockedSteam

Get all of the continent bonuses available in a single campaign

LockedSteam

Beat a mission in June or later using only Rookies

LockedSteam

Skulljack each different type of ADVENT soldier (does not have to be in same game)

LockedSteam

Skulljack an ADVENT Officer

LockedSteam

Apply a PCS upgrade to a soldier

LockedSteam

Kill 3 enemies in a single turn, with a single soldier, without explosives

LockedSteam

Complete the tactical tutorial

LockedSteam

Beat the game on Commander+ difficulty in Ironman mode

LockedSteam

Kill the Viper Ruler

LockedSteam

Kill the Berserker Ruler

LockedSteam

Kill the Archon Ruler

LockedSteam

Kill all alien rulers in a single game

LockedSteam

Purchase all of the final tier Hunter Weapons

LockedSteam

Use all ruler armor abilities in a single mission

LockedSteam

Use a ruler armor ability against an alien ruler

LockedSteam

Kill an alien ruler the first time you encounter it

LockedSteam

Kill an alien ruler while it attempts to escape

LockedSteam

Beat the Lost Towers mission

LockedSteam

Promote a SPARK unit to Champion rank

LockedSteam

Complete a mission with three or more SPARK units in the squad

LockedSteam

Defeat an Avatar with a SPARK unit

LockedSteam

A SPARK unit survives a mission it started with less than half health

LockedSteam

Outfit a SPARK unit with the highest tier weaponry and armor

LockedSteam

Hit three shots on a single turn with a SPARK unit after using its Overdrive ability

LockedSteam

Defeat a robotic enemy with a SPARK unit

LockedSteam

Build a SPARK unit

LockedSteam

Kill an enemy primed Derelict MEC before it can self-destruct

LockedSteam

Complete the Lost and Abandoned mission

LockedSteam

Permanently defeat one of the Chosen

LockedSteam

Get 15 Headshots against Lost in a single turn

LockedSteam

Get four kills from Shadow mode with a Reaper in a single mission

LockedSteam

Raise a Templar to maximum Focus level, spend it all, and reach the max again in a single mission

LockedSteam

Perform three offensive actions against the same target with a Skirmisher in a single turn

LockedSteam

Form a level 3 bond between two soldiers

LockedSteam

Complete a mission with all Tired soldiers and no casualties

LockedSteam

Raise XCOM's influence with all three factions to High in a single game

LockedSteam

Upgrade a facility

LockedSteam

Rescue a soldier who was captured by the Chosen

LockedSteam

Complete the 'Blast From the Past' legacy operation with a gold medal

LockedSteam

Complete the 'It Came From the Sea' legacy operation with a gold medal

LockedSteam

Complete the 'Avenger Assemble' legacy operation with a gold medal

LockedSteam

Complete 'The Lazarus Project' legacy operation with a gold medal

LockedSteam

Complete a random legacy operation

LockedSteam

Complete a Skirmish Mission

LockedSteam

Complete a Local Challenge

LockedSteam

Complete a single player campaign with Tactical Legacy Pack content

LockedSteam

Sell goods worth 1000 supplies to the Black Market (Can span multiple games)

LockedSteam