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