Alien Swarm achievements

Alien Swarm

3.4 from 59 votes

There are a maximum of 66 Alien Swarm achievements worth 1,945

1,948 tracked gamers have this game, 40 have completed it (2.05%)

Achievement Details

Outstanding Execution in Alien Swarm

Outstanding Execution48

Complete a campaign on Normal difficulty or harder without any marines dying.

  • Unlocked by 85 tracked gamers (4% - TSA Ratio = 4.76) 1,948  
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