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