Alien Swarm achievements

Alien Swarm

3.3 from 72 votes

There are a maximum of 66 Alien Swarm achievements worth 1,858

2,429 tracked gamers have this game, 52 have completed it (2.14%)

Achievement Details

Outstanding Execution in Alien Swarm

Outstanding Execution46

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

  • Unlocked by 114 tracked gamers (5% - TSA Ratio = 4.59) 2,429  
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