XCOM 2 achievements

26.92%

Pile 'Em Up

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

29.19%

Mechlord

Hack a Sectopod

29.79%

Meat Over Metal

Kill a Sectopod on the same turn you encounter it (in Single Player)

38.06%

Have a Nice Trip

Cause an enemy to fall to its death

38.16%

Car Wrecked

Cause an enemy to die in a vehicle explosion

40.33%

Now Am I Become Death

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

40.73%

Bring It Down

Sabotage an alien facility

43.08%

Cyberlord

Earn a second tier hack reward

45.33%

Heroes of the Resistance

Beat a Retaliation mission with 3 or less civilian deaths

46.38%

Harder, Better, Faster, Stronger

Apply a PCS upgrade to a soldier

46.53%

Room to Grow

Upgrade a facility

51.40%

Tinker

Build an experimental item in the Proving Grounds