50 achievements for 1000 Gamerscore
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Awake
Completed "Closing the Book"
10 Gamerscore
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Welcome to Sevastopol
Completed "Welcome to Sevastopol"
10 Gamerscore
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A Hunt Begins
Completed "Encounters"
10 Gamerscore
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You Shouldn't Be There.
Completed "Seegson Communications"
10 Gamerscore
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How Do You Feel?
Completed "The Quarantine"
10 Gamerscore
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Caught in the Trap
Completed "The Outbreak"
10 Gamerscore
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An Outpost of Progress
Completed "Seegson Synthetics"
10 Gamerscore
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Shock to the System
Used the stun baton
10 Gamerscore
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Bait
Completed "The Trap"
10 Gamerscore
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Hazard Containment
Completed "Hazard Containment"
10 Gamerscore
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A Synthetic Solution
Completed "A Synthetic Solution"
10 Gamerscore
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Consultation
Completed "Consultation"
10 Gamerscore
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Survivor
Completed the game on the hardest difficulty setting
100 Gamerscore
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Ripley, Signing Off
Completed the game on any difficulty setting
50 Gamerscore
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The Missing
Collected an ID tag
10 Gamerscore
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The Taken
Collected all ID tags
40 Gamerscore
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Archivist
Collected 10 Nostromo logs in the main campaign
40 Gamerscore
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Light 'em Up
Used the flamethrower
10 Gamerscore
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Just out of Reach
Contacted your team and escaped Comms without being attacked by an android
40 Gamerscore
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Use With Caution…
Used the shotgun
10 Gamerscore
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Every Bullet Counts
Used the revolver
10 Gamerscore
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Self Defense
Killed 10 humans
10 Gamerscore
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Not a Scratch
Escaped from android combat without taking damage
20 Gamerscore
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Retreat From Fire
Caused the Alien to retreat using a molotov
20 Gamerscore
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A Perfect Organism
Encountered the Alien in Sevastopol for the first time
10 Gamerscore
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She's in the Vents...
Used the vent system 20 times
20 Gamerscore
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I Admire its Purity
Detected 30 targets with the motion tracker
20 Gamerscore
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Back Off
Caused the Alien to retreat by using the flamethrower
10 Gamerscore
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Stunned
Knocked down a human or stunned an android with a non-lethal attack
10 Gamerscore
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Build to Survive
Constructed an item
5 Gamerscore
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Mercy or Prudence?
Completed the game without killing any humans
50 Gamerscore
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Mind Your Step
Navigated Reactor Maintenance without dying
20 Gamerscore
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Seegson Security Bypass
Performed 10 successful hacks
10 Gamerscore
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Seegson Systems Expert
Completed 10 minigames successfully
10 Gamerscore
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Power Games
Accessed 10 different rewire points
10 Gamerscore
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A True Engineer
Constructed one of each craftable item
20 Gamerscore
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A Record of Disaster
Collected an archive log
10 Gamerscore
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Voices of Sevastopol
Collected 100 archive logs
40 Gamerscore
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Fault Detected
Killed an Android
20 Gamerscore
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100 Times Too Many
Killed by the Alien 100 times
5 Gamerscore
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Throwing the Switch
Completed "The Descent"
10 Gamerscore
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The Message
Completed "The Message"
10 Gamerscore
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Transmission
Completed "Transmission"
10 Gamerscore
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Free the Torrens
Completed "Desolation"
10 Gamerscore
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End of the Hunt
Completed "Tomorrow, Together"
10 Gamerscore
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This Should Work
Used the bolt gun
10 Gamerscore
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My Turn Now
Killed an android using only the maintenance jack
40 Gamerscore
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Not the First
Turned off the beacon
10 Gamerscore
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Hide. Run. Survive.
Completed "The Quarantine" without being killed by the Alien
40 Gamerscore
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One Shot
Completed the game without dying
100 Gamerscore