Alien Swarm achievements
1,832
(660)

Alien Swarm

3.4 from 76 votes

There are a maximum of 66 Alien Swarm achievements worth 1,832

2,466 tracked gamers have this game, 60 have completed it (2.43%)

Achievement Details

Electro-Stunned in Alien Swarm

Electro-Stunned21

Stun 6 Swarm with a single Stun Grenade.

  • Unlocked by 580 tracked gamers (24% - TSA Ratio = 2.05) 2,466  
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