XCOM: Enemy Unknown

No Looking Back
Legendary

Beat the game in Ironman mode on Classic or Impossible difficulty.

Xavier
Ultra Rare

Xavier

10 Secret

Mind Control an Ethereal. Single player only.

Earth First
Ultra Rare

Beat the game on Classic difficulty.

Our Finest Hour
Legendary

Beat the game on Impossible difficulty.

Lone Wolf
Legendary

Clear a UFO crash site with one soldier on Classic or Impossible difficulty.

Bada Boom
Rare

Kill 50 aliens with explosive weapons.

Ain't No Cavalry Comin'
Ultra Rare

Have a soldier survive every mission in a full game.

As A Scalpel
Rare

Earn the "Excellent" rating in every performance category on a terror mission.

Edison
Ultra Rare

Edison

25

In a single game, complete every Research Project.

Angel of Death
Rare

Angel of Death

10 Secret

Kill an alien while flying. Single player only.

Beyond the Veil
Rare

Beyond the Veil

10 Secret

Find a soldier with the Gift.

Prisoner of War
Uncommon
X Marks the Spot
Uncommon

X Marks the Spot

10 Secret

Uncover the alien base's location.

See All, Know All
Rare
All Together Now
Rare

Get satellite coverage over every country on one continent.

Hunter/Killer
Ultra Rare

In a single game, shoot down one of each alien craft.

Man No More
Rare
Poison Control
Ultra Rare

Poison Control

10 Secret

Cure poison on five soldiers in a single mission. Single player only.

We Happy Few
Common

Complete a mission without losing a soldier.

The Hardest Road
Rare

Advance one of your soldiers to Colonel rank.

Worth Every Penny
Rare
Oppenheimer
Rare

Staff the Research Labs with 80 scientists.

One Gun at a Time
Rare

Staff the Engineering Department with 80 engineers

Skunkworks
Ultra Rare

In a single game, complete every Foundry project.

Wet Work
Ultra Rare

Complete a Very Hard abduction mission in five turns or less on Classic or Impossible difficulty.

A Continental Fellow
Legendary

Win the game from each of the 5 starting locations.

Drums in the Deep
Rare

Gain access to the lowest level in your base.

And Hell's Coming With Me
Rare

Successfully assault an Overseer UFO.

Off My Planet
Rare

Off My Planet

25 Secret

Recover the Hyperwave Beacon.

The Volunteer
Rare

The Volunteer

10 Secret

Make contact with the Ethereal hive mind.

Flight of the Valkyries
Ultra Rare

Win a mission with an all-female squad. Single player only.

Title Update: Slingshot Content Pack

5 Achievements worth 100 Gamerscore
New Friend
Ultra Rare

Complete Friends in Low Places.

Bait the Hook
Ultra Rare
Rising Dragon
Legendary

Take your new ally into the final challenge.

All Aboard
Ultra Rare

Complete Confounding Light with more than 3 turns left on the timer.

55
1,100
1,471
218
60
Platforms
Xbox 360
Tracking is available for this game.

Downloadable Content

Achievement Breakdown

Game Leaders

1. XGHcrewdoesxbox 1,100
2. SOLID KAGE 1,100
3. NoHomiesYT8030 1,100
4. SANKATOR 1,100
5. Aijo 1,100
6. TardinVergilio 1,100
7. AUT Ov3rrid3 1,100
8. v5v 1,100
9. Learn Ya 1,100
10. Crem spams L2 1,100
11. Vbyg 1,100
12. En usko sua 1,100
13. Gamerscore8027 1,100
14. DUS SOULWOUND 1,100
15. ePayments 1,100