Alien Swarm achievements
1,945
(660)

Alien Swarm

3.4 from 59 votes

There are a maximum of 66 Alien Swarm achievements worth 1,945

1,946 tracked gamers have this game, 40 have completed it (2.06%)

Achievement Details

Electro-Stunned in Alien Swarm

Electro-Stunned22

Stun 6 Swarm with a single Stun Grenade.

  • Unlocked by 408 tracked gamers (21% - TSA Ratio = 2.18) 1,946  
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