Alien Swarm achievements

Alien Swarm

3.3 from 83 votes

There are a maximum of 66 Alien Swarm achievements worth 1,797

3,011 tracked gamers have this game, 92 have completed it (3.06%)

Achievement Details

Zero Mortality in Alien Swarm

Zero Mortality14

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

  • Unlocked by 1,609 tracked gamers (53% - TSA Ratio = 1.37) 3,048  
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