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