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

2,464 tracked gamers have this game, 60 have completed it (2.44%)

Achievement Details

Seal of Quality in Alien Swarm

Seal of Quality13

Seal a door with the welder.

  • Unlocked by 1,456 tracked gamers (59% - TSA Ratio = 1.29) 2,464  
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