Alien Swarm achievements
1,810
(660)

Alien Swarm

3.3 from 78 votes

There are a maximum of 66 Alien Swarm achievements worth 1,810

2,674 tracked gamers have this game, 74 have completed it (2.77%)

Achievement Details

Zero Mortality in Alien Swarm

Zero Mortality14

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

  • Unlocked by 1,440 tracked gamers (54% - TSA Ratio = 1.35) 2,674  
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