01Achievements
Every XCOM: Enemy Unknown achievement, ordered by how few players in the world have unlocked it.
32 of 85 entries
Regenerate ThisKill an elite enemy Medic with explosive damage in single player20.3%Uncommon
Solid ProspectComplete Deluge20.5%Uncommon
All Hands on DeckGet at least 4 kills with XCOM Base Security personnel21.5%Uncommon
Angel of DeathKill an alien while flying. Single player only.22.9%Uncommon
They Shall Not PassEliminate all alien waves23.2%Uncommon
G’dayKill an elite enemy Sniper with one of your own snipers in single player24%Uncommon
ShieldbusterEliminate an enemy's shield and kill it on the same turn in single player26.2%Uncommon
Zom-B-GoneEradicate the infestation26.5%Uncommon
Elite DefenseBeat a new special mission without losing any assets27.8%Uncommon
Flight of the ValkyriesWin a mission with an all-female squad. Single player only.28%Uncommon
The Bigger They Are—28.8%Uncommon
Who Needs Limbs?Augment a soldier in single player29.5%Uncommon
A Little Bit AlienModify a soldier in single player29.6%Uncommon
OppenheimerStaff the Research Labs with 80 scientists.30.3%Uncommon
Bait the Hook—31.3%Uncommon
Humanity's SaviorBeat the game on any difficulty.31.7%Uncommon
One Gun at a TimeStaff the Engineering Department with 80 engineers.33.3%Uncommon
The Volunteer—35%Uncommon
New Friend—35.9%Uncommon
Taking A Load OffStop a squad member from suffocating in single player37.3%Uncommon
On the Shoulders of Giants—37.7%Uncommon
Bada BoomKill 50 aliens with explosive weapons.38.8%Uncommon
You Have 5 Seconds to ComplyBuild a S.H.I.V.39.3%Uncommon
All Employees Must Wash Hands…In a single game, complete every Autopsy.39.7%Uncommon
And Hell's Coming With Me—40.4%Uncommon
Pale HorseKill 500 aliens.40.7%Uncommon
Beyond the Veil—42.7%Uncommon
See All, Know All—45.1%Uncommon
Drums in the DeepGain access to the lowest level in your base.45.8%Uncommon
Ride the Lightning—47.1%Uncommon
Worth Every PennyAcquire 1000 credits in one month.48.2%Uncommon
Man No MoreBuild a suit of powered armor.48.8%Uncommon
Data from Steam — Steam Web API Terms of Use. Last updated .