Alien Swarm achievements

Alien Swarm

3.4 from 76 votes

There are a maximum of 66 Alien Swarm achievements worth 1,832

2,468 tracked gamers have this game, 60 have completed it (2.43%)

Achievement Details

Zero Mortality in Alien Swarm

Zero Mortality13

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

  • Unlocked by 1,362 tracked gamers (55% - TSA Ratio = 1.34) 2,468  
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