Alien Swarm achievements
1,858
(660)

Alien Swarm

3.3 from 72 votes

There are a maximum of 66 Alien Swarm achievements worth 1,858

2,429 tracked gamers have this game, 52 have completed it (2.14%)

Achievement Details

Pyrotechnician in Alien Swarm

Pyrotechnician22

Kill 250 Swarm with a Flamethrower.

  • Unlocked by 503 tracked gamers (21% - TSA Ratio = 2.18) 2,429  
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