Alien Swarm achievements
1,767
(660)

Alien Swarm

3.4 from 82 votes

There are a maximum of 66 Alien Swarm achievements worth 1,767

2,854 tracked gamers have this game, 92 have completed it (3.22%)

Achievement Details

Armory Access in Alien Swarm

Armory Access22

Unlock all the available weapons.

  • Unlocked by 603 tracked gamers (20% - TSA Ratio = 2.21) 2,957  
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