Alien Swarm achievements

Alien Swarm

3.3 from 71 votes

There are a maximum of 66 Alien Swarm achievements worth 1,853

2,370 tracked gamers have this game, 64 have completed it (2.70%)

Achievement Details

Outstanding Execution in Alien Swarm

Outstanding Execution45

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

  • Unlocked by 115 tracked gamers (5% - TSA Ratio = 4.53) 2,370  
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