XCOM: Enemy Unknown achievements

13.99%

Solid Prospect

Complete Deluge

14.40%

Steel Martyr

Deploy three tactical subsystems on a single soldier.

15.50%

All Hands on Deck

Get at least 4 kills with XCOM Base Security personnel

16.50%

G’day

Kill an elite enemy Sniper with one of your own snipers in single player

16.97%

They Shall Not Pass

Eliminate all alien waves.

18.55%

Shieldbuster

Eliminate an enemy's shield and kill it on the same turn in single player

19.79%

Zom-B-Gone

Eradicate the infestation.

20.17%

Elite Defense

Beat a new special mission without losing any assets.

20.61%

And So It Begins...

Complete the tutorial mission.

21.02%

The Bigger They Are

Complete Gangplank.

22.94%

Who Needs Limbs?

Augment a soldier.

23.11%

Bait the Hook

Complete Confounding Light.

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