Alien Swarm achievements
1,832
(660)

Alien Swarm

3.4 from 75 votes

There are a maximum of 66 Alien Swarm achievements worth 1,832

2,462 tracked gamers have this game, 60 have completed it (2.44%)

Achievement Details

Sharpshooter in Alien Swarm

Sharpshooter15

Complete a mission with better than 90% accuracy.

  • Unlocked by 1,117 tracked gamers (45% - TSA Ratio = 1.48) 2,462  
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