Alien Swarm achievements
1,796
(660)

Alien Swarm

3.3 from 79 votes

There are a maximum of 66 Alien Swarm achievements worth 1,796

2,729 tracked gamers have this game, 81 have completed it (2.97%)

Achievement Details

Electro-Stunned in Alien Swarm

Electro-Stunned21

Stun 6 Swarm with a single Stun Grenade.

  • Unlocked by 638 tracked gamers (23% - TSA Ratio = 2.07) 2,748  
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