Alien Swarm achievements
1,810
(660)

Alien Swarm

3.3 from 78 votes

There are a maximum of 66 Alien Swarm achievements worth 1,810

2,679 tracked gamers have this game, 75 have completed it (2.80%)

Achievement Details

Armory Access in Alien Swarm

Armory Access22

Unlock all the available weapons.

  • Unlocked by 541 tracked gamers (20% - TSA Ratio = 2.21) 2,680  
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