Alien Swarm achievements
1,779
(660)

Alien Swarm

3.3 from 83 votes

There are a maximum of 66 Alien Swarm achievements worth 1,779

2,954 tracked gamers have this game, 87 have completed it (2.95%)

Achievement Details

Electro-Stunned in Alien Swarm

Electro-Stunned20

Stun 6 Swarm with a single Stun Grenade.

  • Unlocked by 732 tracked gamers (24% - TSA Ratio = 2.02) 3,008  
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