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