Alien Swarm achievements
1,858
(660)

Alien Swarm

3.3 from 72 votes

There are a maximum of 66 Alien Swarm achievements worth 1,858

2,416 tracked gamers have this game, 63 have completed it (2.61%)

Achievement Details

On the Ready Line in Alien Swarm

On the Ready Line16

Kill 1,000 Swarm.

  • Unlocked by 923 tracked gamers (38% - TSA Ratio = 1.61) 2,416  
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