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