Alien Swarm achievements
1,883
(660)

Alien Swarm

3.4 from 67 votes

There are a maximum of 66 Alien Swarm achievements worth 1,883

2,299 tracked gamers have this game, 57 have completed it (2.48%)

Achievement Details

Close Encounters in Alien Swarm

Close Encounters15

Kill 20 Swarm with melee attacks in a single mission.

  • Unlocked by 978 tracked gamers (43% - TSA Ratio = 1.53) 2,299  
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