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

2,423 tracked gamers have this game, 52 have completed it (2.15%)

Achievement Details

Infestation Savior in Alien Swarm

Infestation Savior17

Cure an Infested marine.

  • Unlocked by 811 tracked gamers (33% - TSA Ratio = 1.71) 2,423  
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