Complete the game on any difficulty setting
Complete the eighteenth mission
Complete the seventeenth mission
Use the bolt gun
Collect 100 archive logs
Cause the Alien to retreat using a molotov
Kill 10 humans
Complete 10 minigames successfully
Escape from android combat without taking damage
Complete the thirteenth mission
Complete the twelfth mission
Complete the eleventh mission
Use the stun baton
Knock down a human or stun an android with a non-lethal attack
Use the shotgun
Complete the tenth mission
Cause the Alien to retreat by using the flamethrower
Use the flamethrower
Perform 10 successful hacks
Detect 30 targets with the motion tracker
Complete the seventh mission
Complete the sixth mission
Complete the fifth mission
Complete the fourth mission
Use the revolver
Access 10 different rewire points
Kill an Android
Complete the third mission
Use the vent system 20 times
Complete the second mission
Encounter the Alien in Sevastopol for the first time
Collect an ID tag
Construct an item
Complete the first mission
Collect an archive log
Complete the game on the hardest difficulty setting
Collect all ID tags
Collect 10 Nostromo logs in the main campaign
Contact your team and escape Comms without being attacked by an android
Complete the game without killing any humans
Navigate Reactor Maintenance without dying
Construct one of each craftable item
Kill an android using only the maintenance jack
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