Alien Swarm achievements
1,942
(660)

Alien Swarm

3.4 from 62 votes

There are a maximum of 66 Alien Swarm achievements worth 1,942

2,112 tracked gamers have this game, 47 have completed it (2.23%)

Achievement Details

Autogun Expert in Alien Swarm

Autogun Expert21

Kill 250 Swarm with an Autogun.

  • Unlocked by 492 tracked gamers (23% - TSA Ratio = 2.06) 2,112  
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