Alien Swarm achievements

Alien Swarm

3.3 from 76 votes

There are a maximum of 66 Alien Swarm achievements worth 1,822

2,599 tracked gamers have this game, 69 have completed it (2.65%)

Achievement Details

Outstanding Execution in Alien Swarm

Outstanding Execution46

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

  • Unlocked by 123 tracked gamers (5% - TSA Ratio = 4.61) 2,599  
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