Alien Swarm achievements
1,945
(660)

Alien Swarm

3.4 from 59 votes

There are a maximum of 66 Alien Swarm achievements worth 1,945

1,940 tracked gamers have this game, 40 have completed it (2.06%)

Achievement Details

Sharpshooter in Alien Swarm

Sharpshooter16

Complete a mission with better than 90% accuracy.

  • Unlocked by 784 tracked gamers (40% - TSA Ratio = 1.57) 1,940  
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