Alien Swarm achievements
1,858
(660)

Alien Swarm

3.3 from 72 votes

There are a maximum of 66 Alien Swarm achievements worth 1,858

2,425 tracked gamers have this game, 52 have completed it (2.14%)

Achievement Details

Seal of Quality in Alien Swarm

Seal of Quality14

Seal a door with the welder.

  • Unlocked by 1,293 tracked gamers (53% - TSA Ratio = 1.36) 2,425  
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