XCOM 2

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

Complete the Lost and Abandoned mission

Kill the Archon Ruler

Permanently defeat one of the Chosen

Beat the Lost Towers mission

Defeat a robotic enemy with a SPARK unit

Beat a mission in June or later using only Rookies

Outfit a SPARK unit with the highest tier weaponry and armor

Kill the Berserker Ruler

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

Kill a Viper who is strangling a squadmate

Sabotage an alien facility

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

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

Complete a random legacy operation

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

Cause an enemy to die in a vehicle explosion

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

Kill a Sectoid who is currently mind controlling a squadmate

Earn a second tier hack reward

Kill a Berserker in melee combat

Purchase all of the final tier Hunter Weapons

Overthrow the aliens on Commander difficulty

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

Overthrow the aliens at any difficulty level

Use a ruler armor ability against an alien ruler

Completely upgrade a beam weapon with superior grade weapon upgrades

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

Complete the tactical tutorial

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

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

Get all of the continent bonuses available in a single campaign

Apply a PCS upgrade to a soldier

Cause an enemy to fall to its death

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

Beat a Retaliation mission with no more than 3 civilian deaths

Complete a Skirmish Mission

Overthrow the aliens on Legend difficulty

Form a level 3 bond between two soldiers

Build a SPARK unit

Kill all alien rulers in a single game

Complete a successful ambush

Upgrade a weapon

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

Defeat an Avatar with a SPARK unit

Kill a Sectopod on the same turn you encounter it

Hack and take control of a Sectopod

Evacuate a soldier whose bleed-out timer is still running

Rescue a soldier who was captured by the Chosen

Kill an alien ruler while it attempts to escape

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

Use all ruler armor abilities in a single mission

Promote a SPARK unit to Champion rank

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

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

Complete a Local Challenge

Kill an alien ruler the first time you encounter it

Make contact with a region

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

Upgrade a facility

Complete a Rumor

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

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

Build a facility in every Avenger slot

Kill an enemy with a hacked turret

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

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

Win a multiplayer match.

Complete a single player campaign with Tactical Legacy Pack content

Build a radio relay on every continent

Beat the game on Commander+ without losing a soldier

Build an experimental item in the Proving Grounds

Beat the game on Commander+ difficulty in Ironman mode

Kill the Viper Ruler

Complete a mission with all Tired soldiers and no casualties

Beat the final mission using only conventional gear

Skulljack an ADVENT Officer

Get 15 Headshots against Lost in a single turn