Alien Swarm achievements
1,861
(660)

Alien Swarm

3.4 from 70 votes

There are a maximum of 66 Alien Swarm achievements worth 1,861

2,346 tracked gamers have this game, 63 have completed it (2.69%)

Achievement Details

Autogun Expert in Alien Swarm

Autogun Expert20

Kill 250 Swarm with an Autogun.

  • Unlocked by 571 tracked gamers (24% - TSA Ratio = 2.02) 2,346  
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