Alien Swarm achievements
1,909
(660)

Alien Swarm

3.4 from 67 votes

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

2,221 tracked gamers have this game, 51 have completed it (2.30%)

Achievement Details

Pyrotechnician in Alien Swarm

Pyrotechnician22

Kill 250 Swarm with a Flamethrower.

  • Unlocked by 455 tracked gamers (20% - TSA Ratio = 2.21) 2,221  
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