Alien Swarm achievements
1,883
(660)

Alien Swarm

3.4 from 67 votes

There are a maximum of 66 Alien Swarm achievements worth 1,883

2,290 tracked gamers have this game, 57 have completed it (2.49%)

Achievement Details

Seal of Quality in Alien Swarm

Seal of Quality14

Seal a door with the welder.

  • Unlocked by 1,215 tracked gamers (53% - TSA Ratio = 1.36) 2,290  
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