Alien Swarm achievements

Alien Swarm

3.3 from 76 votes

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

2,597 tracked gamers have this game, 68 have completed it (2.62%)

Achievement Details

Zero Mortality in Alien Swarm

Zero Mortality14

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

  • Unlocked by 1,417 tracked gamers (55% - TSA Ratio = 1.35) 2,597  
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