Alien Swarm achievements
1,767
(660)

Alien Swarm

3.4 from 82 votes

There are a maximum of 66 Alien Swarm achievements worth 1,767

2,854 tracked gamers have this game, 92 have completed it (3.22%)

Achievement Details

Pyrotechnician in Alien Swarm

Pyrotechnician21

Kill 250 Swarm with a Flamethrower.

  • Unlocked by 663 tracked gamers (22% - TSA Ratio = 2.10) 2,955  
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