Collected all Nostromo logs
Constructed one of each craftable item
Completed the game on any difficulty setting
Completed the game without killing any humans
Completed the game without dying
Completed "Tomorrow, Together"
Completed "Desolation"
Completed "Transmission"
Completed "The Message"
Completed "The Descent"
Completed 10 minigames successfully
Navigated Reactor Maintenance without dying
Caused the Alien to retreat using a molotov
Used the bolt gun
Completed "Consultation"
Collected 100 archive logs
Completed "A Synthetic Solution"
Completed "Hazard Containment"
Used the shotgun
Completed "The Trap"
Caused the Alien to retreat by using the flamethrower
Used the flamethrower
Turned off the beacon
Used the stun baton
Detected 30 targets with the motion tracker
Completed "Seegson Synthetics"
Performed 10 successful hacks
Used the revolver
Completed "The Outbreak"
Killed an android using only the maintenance jack
Escaped from android combat without taking damage
Killed an Android
Knocked down a human or stunned an android with a non-lethal attack
Accessed 10 different rewire points
Completed "The Quarantine"
Completed "The Quarantine" without being killed by the Alien
Used the vent system 20 times
Completed "Seegson Communications"
Contacted your team and escaped Comms without being attacked by an android
Completed "Encounters"
Encountered the Alien in Sevastopol for the first time
Completed "Welcome to Sevastopol"
Collected an ID tag
Constructed an item
Completed "Closing the Book"
Collected an archive log
Completed the game on the hardest difficulty setting
Collected all ID tags
Killed 10 humans
Killed by the Alien 100 times