Alien Swarm achievements
1,767
(660)

Alien Swarm

3.4 from 82 votes

There are a maximum of 66 Alien Swarm achievements worth 1,767

2,854 tracked gamers have this game, 92 have completed it (3.22%)

Achievement Details

Sharpshooter in Alien Swarm

Sharpshooter15

Complete a mission with better than 90% accuracy.

  • Unlocked by 1,305 tracked gamers (44% - TSA Ratio = 1.50) 2,951  
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