Alien Swarm achievements
1,909
(660)

Alien Swarm

3.4 from 66 votes

There are a maximum of 66 Alien Swarm achievements worth 1,909

2,218 tracked gamers have this game, 51 have completed it (2.30%)

Achievement Details

On the Ready Line in Alien Swarm

On the Ready Line16

Kill 1,000 Swarm.

  • Unlocked by 844 tracked gamers (38% - TSA Ratio = 1.62) 2,218  
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