| icon | info | gamerscore |
|---|---|---|
 | Awake Complete the first mission | 10 |
 | Welcome to Sevastopol Complete the second mission | 10 |
 | A Hunt Begins Complete the third mission | 10 |
 | You Shouldn't Be There. Complete the fourth mission | 10 |
 | How Do You Feel? Complete the fifth mission | 10 |
 | Caught In the Trap Complete the sixth mission | 10 |
 | An Outpost of Progress Complete the seventh mission | 10 |
 | Bait Complete the tenth mission | 10 |
 | Hazard Containment Complete the eleventh mission | 10 |
 | A Synthetic Solution Complete the twelfth mission | 10 |
 | Consultation Complete the thirteenth mission | 10 |
 | Throwing the Switch Complete the fourteenth mission | 10 |
 | The Message Complete the fifteenth mission | 10 |
 | Transmission Complete the sixteenth mission | 10 |
 | Free the Torrens Complete the seventeenth mission | 10 |
 | End of the Hunt Complete the eighteenth mission | 10 |
 | Shock to the System Use the Stun Baton | 10 |
 | Survivor Completed the game on the hardest difficulty setting. | 100 |
 | Ripley, Signing Off Completed the game on any difficulty setting. | 50 |
 | Light 'em Up Use the Flamethrower | 10 |
 | Just Out of Reach Contact your team and escaped Comms without being attacked by an android | 40 |
 | Use With Caution... Use the Shotgun | 10 |
 | Every Bullet Counts Use the Revolver | 10 |
 | Not a Scratch Escape from android combat without taking damage | 20 |
 | Retreat From Fire Cause the Alien to retreat using a molotov | 20 |
 | A Perfect Organism Encountered the Alien in Sevastopol for the first time | 10 |
 | Back Off Cause the Alien to retreat by using the flamethrower | 10 |
 | Stunned Knock down a human or stunned an android with a non-lethal attack | 10 |
 | Mercy or Prudence? Completed the game without killing any humans | 50 |
 | Mind Your Step Navigated Reactor Maintenance without dying | 20 |
 | Hide. Run. Survive. Complete the fifth mission without being killed by the Alien | 40 |
 | Not the First Turned off the beacon | 10 |
 | One Shot Completed the game without dying | 100 |
 | This Should Work Use the Bolt Gun | 10 |
 | My Turn Now Kill an android using only the maintenance jack | 40 |
 | Fault Detected Kill an android | 20 |
 | Self Defense Kill 10 Humans | 10 |
 | Seegson Security Bypass Perform 10 successful hacks | 10 |
 | Seegson Systems Expert Complete 10 minigames successfully | 10 |
 | Power Games Access 10 different rewire points | 10 |
 | She's in the Vents... Use the vent system 20 times | 20 |
 | I Admire its Purity Detect 30 targets with the motion tracker | 20 |
 | The Missing Collect an ID tag | 10 |
 | The Taken Collect all ID Tags | 40 |
 | Archivist Collect 10 Nostromo logs in the main campaign | 40 |
 | A Record of Disaster Collect an archive log | 10 |
 | Voices of Sevastopol Collect 100 archive logs | 40 |
 | Build to Survive Construct an item | 5 |
 | A True Engineer Construct one of each craftable item | 20 |
 | 100 Times Too Many Get killed by the Alien 100 times | 5 |
