Alien Swarm achievements

Alien Swarm

3.4 from 62 votes

There are a maximum of 66 Alien Swarm achievements worth 1,942

2,123 tracked gamers have this game, 48 have completed it (2.26%)

Achievement Details

Outstanding Execution in Alien Swarm

Outstanding Execution47

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

  • Unlocked by 95 tracked gamers (4% - TSA Ratio = 4.73) 2,123  
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