Achievement
Description
Value
100 Times Too Many (secret)
Get killed by the Alien 100 times
5
A Hunt Begins
Complete the third mission
10
A Perfect Organism
Encounter the Alien in Sevastopol for the first time
10
A Record of Disaster
Collect an archive log
10
A Synthetic Solution
Complete the twelfth mission
10
A True Engineer
Construct one of each craftable item
20
An Outpost of Progress
Complete the seventh mission
10
Archivist
Collect all Nostromo logs
40
Awake
Complete the first mission
10
Back Off (secret)
Cause the Alien to retreat by using the flamethrower
10
Bait
Complete the tenth mission
10
Build to Survive
Construct an item
5
Caught in the Trap
Complete the sixth mission
10
Consultation
Complete the thirteenth mission
10
End of the Hunt
Complete the eighteenth mission
10
Every Bullet Counts
Use the revolver
10
Fault Detected
Kill an Android
20
Free the Torrens
Complete the seventeenth mission
10
Hazard Containment
Complete the eleventh mission
10
Hide. Run. Survive.
Complete the fifth mission without being killed by the Alien
40
How Do You Feel?
Complete the fifth mission
10
I Admire its Purity
Detect 30 targets with the motion tracker
20
Just out of Reach
Contact your team and escape Comms without being attacked by an android
40
Light 'em Up
Use the flamethrower
10
Mercy or Prudence?
Complete the game without killing any humans
50
Mind Your Step (secret)
Navigate Reactor Maintenance without dying
20
My Turn Now
Kill an android using only the maintenance jack
40
Not a Scratch
Escape from android combat without taking damage
20
Not the First (secret)
Turn off the beacon
10
One Shot
Complete the game without dying
100
Power Games
Access 10 different rewire points
10
Retreat From Fire (secret)
Cause the Alien to retreat using a molotov
20
Ripley, Signing Off
Complete the game on any difficulty setting
50
Seegson Security Bypass
Perform 10 successful hacks
10
Seegson Systems Expert
Complete 10 minigames successfully
10
Self Defense
Kill 10 humans
10
She's in the Vents...
Use the vent system 20 times
20
Shock to the System
Use the stun baton
10
Stunned (secret)
Knock down a human or stun an android with a non-lethal attack
10
Survivor
Complete the game on the hardest difficulty setting
100
The Message
Complete the fifteenth mission
10
The Missing
Collect an ID tag
10
The Taken
Collect all ID tags
40
This Should Work
Use the bolt gun
10
Throwing the Switch
Complete the fourteenth mission
10
Transmission
Complete the sixteenth mission
10
Use With Caution
Use the shotgun
10
Voices of Sevastopol
Collect 100 archive logs
40
Welcome to Sevastopol
Complete the second mission
10
You Shouldn't Be There.
Complete the fourth mission
10