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

2,426 tracked gamers have this game, 51 have completed it (2.10%)

Achievement Details

Normal Campaign in Alien Swarm

Normal Campaign18

Complete the Jacob's Rest campaign on Normal difficulty or harder.

  • Unlocked by 740 tracked gamers (31% - TSA Ratio = 1.79) 2,426  
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