Kill a Sectoid who is currently mind controlling a squadmate

Kill an enemy with a hacked turret

Build a facility in every Avenger slot

Sabotage an alien facility

Cause an enemy to fall to its death

Cause an enemy to die in a vehicle explosion

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

Beat the final mission using only conventional gear

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

Beat the game on Commander+ without losing a soldier

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

Win a multiplayer match.

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

Beat a Retaliation mission with no more than 3 civilian deaths

Earn a second tier hack reward

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

Build a radio relay on every continent

Get all of the continent bonuses available in a single campaign

Beat a mission in June or later using only Rookies

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

Skulljack an ADVENT Officer

Recover the Forge Item

Create the Commander's Avatar

Apply a PCS upgrade to a soldier