Alien Swarm achievements
1,776
(660)

Alien Swarm

3.3 from 86 votes

There are a maximum of 66 Alien Swarm achievements worth 1,776

3,067 tracked gamers have this game, 92 have completed it (3.00%)

Achievement Details

Under the Gun in Alien Swarm

Under the Gun14

Roll under a Swarm Ranger projectile.

  • Unlocked by 1,541 tracked gamers (50% - TSA Ratio = 1.41) 3,076  
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