Alien Swarm achievements

Alien Swarm

3.4 from 56 votes

There are a maximum of 66 Alien Swarm achievements worth 1,945

1,836 tracked gamers have this game, 38 have completed it (2.07%)

Achievement Details

Rydberg Reactor Speed Run in Alien Swarm

Rydberg Reactor Speed Run45

Complete Rydberg Reactor within 3:10 on Normal difficulty or harder without any marines dying.

  • Unlocked by 89 tracked gamers (5% - TSA Ratio = 4.52) 1,836  
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