Alien Swarm achievements
1,953
(660)

Alien Swarm

3.4 from 60 votes

There are a maximum of 66 Alien Swarm achievements worth 1,953

1,956 tracked gamers have this game, 40 have completed it (2.04%)

Achievement Details

On the Ready Line in Alien Swarm

On the Ready Line16

Kill 1,000 Swarm.

  • Unlocked by 725 tracked gamers (37% - TSA Ratio = 1.64) 1,956  
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