Alien Swarm achievements

Alien Swarm

3.4 from 76 votes

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

2,477 tracked gamers have this game, 60 have completed it (2.42%)

Achievement Details

Outstanding Execution in Alien Swarm

Outstanding Execution47

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

  • Unlocked by 113 tracked gamers (5% - TSA Ratio = 4.68) 2,477  
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