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

2,422 tracked gamers have this game, 52 have completed it (2.15%)

Achievement Details

Insane Campaign in Alien Swarm

Insane Campaign47

Awarded for finishing the Jacob campaign on Insane difficulty.

  • Unlocked by 110 tracked gamers (5% - TSA Ratio = 4.66) 2,422  
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