XCOM: Enemy Within is the upgrade version of XCOM: Enemy Unknown including the new upgrading options of your troops or you can upgrade your soldiers mechanical arms, legs and full body. Veteran soldiers can earn special commendations that add even more improvement to their abilities.
As the game is out we have the list of all the challenges (Achievements) that you can have in the XCOM: Enemy Within.
On this page you can find every single Achievement that you can get in-game and can make your game score better and gets new Meld.
There are 30 Achievements with a total of 1000 G.
Here is the list of all the 30 achievements that you can find in-game through your game play.
Who Needs Limbs? (20 points)
Augment a soldier in single player.
A Little Bit Alien (20 points)
Modify a soldier in single player.
Enemy Within (20 points)
Get a Soldier to have 5 modifications in single player.
Steel Martyr (40 points)
Deploy three tactical subsystems on a single soldier in single player.
Apotheosis Denied (100 points)
Deal with the newest global threat.
They Shall Not Pass (20 points)
Eliminate all alien waves.
Zom-B-Gone (20 points)
Eradicate the infestation.
An Army Of Four (100 points)
Beat the game without buying a Squad Size upgrade (Classic+ difficulty).
The Meld Squad (20 points)
Field a fully enhanced squad and win the mission.
Shieldbuster (20 points)
Eliminate an enemy’s shield and kill it on the same turn in single player.
Someone Your Own Size (20 points)
Kill a Muton Berserker in melee combat in single player.
Taking A Load Off (20 points)
Stop a squad member from suffocating in single player.
Where in the World (40 points)
Make certain of the new threat’s location.
Mind the Step (20 points)
Jump two stories in one move in single player.
Nice Cover (20 points)
Use Collateral Damage to blow up a car in single player.
By Our Powers Combined (40 points)
Field a squad with 4 augmented soldiers, each with a different base ability and win the mission.
Rise of the Machines (20 points)
Field a squad consisting entirely of augmented soldiers and SHIVs (min. 4) and win the mission.
Mutatis Mutandis (20 points)
Field a squad where all members have at least two modifications (min. 4) and win the mission.
Mental Minefield (40 points)
Kill an enemy as it is psionically attacking you in single player.
Anger Management (20 points)
Proc Combat Rush on the entire squad (min. 4).
Remington… Max Remington (40 points)
Have your special-duty soldier kill three enemies in the same mission.
G’day (20 points)
Kill an elite enemy Sniper with one of your own snipers in single player.
Regenerate This (20 points)
Kill an elite enemy Medic with explosive damage in single player.
Tingling Sensation (40 points)
Kill an unseen enemy detected by a specially modified soldier in single player.
Pain in the Neck (40 points)
Cause an enemy to suicide.
Solid Prospect (20 points)
Ours are the Furies (20 points)
Elite Defense (40 points)
Beat a new special mission without losing any assets.
Guardian of Earth (100 points)
Designate a highly decorated soldier as the Volunteer.
All Hands On Deck (20 points)
Get at least 4 kills with XCOM Base Security personnel.