Alien Swarm achievements
1,787
(660)

Alien Swarm

3.3 from 83 votes

There are a maximum of 66 Alien Swarm achievements worth 1,787

2,976 tracked gamers have this game, 89 have completed it (2.99%)

Achievement Details

Electro-Stunned in Alien Swarm

Electro-Stunned21

Stun 6 Swarm with a single Stun Grenade.

  • Unlocked by 695 tracked gamers (23% - TSA Ratio = 2.06) 2,986  
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