Alien Swarm achievements
1,776
(660)

Alien Swarm

3.3 from 86 votes

There are a maximum of 66 Alien Swarm achievements worth 1,776

3,067 tracked gamers have this game, 92 have completed it (3.00%)

Achievement Details

Seal of Quality in Alien Swarm

Seal of Quality13

Seal a door with the welder.

  • Unlocked by 1,836 tracked gamers (60% - TSA Ratio = 1.29) 3,072  
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