Alien Swarm achievements
1,832
(660)

Alien Swarm

3.4 from 75 votes

There are a maximum of 66 Alien Swarm achievements worth 1,832

2,463 tracked gamers have this game, 60 have completed it (2.44%)

Achievement Details

Pistols Expert in Alien Swarm

Pistols Expert30

Kill 250 Swarm with Twin Pistols.

  • Unlocked by 281 tracked gamers (11% - TSA Ratio = 2.96) 2,463  
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