Alien Swarm achievements

Alien Swarm

3.3 from 83 votes

There are a maximum of 66 Alien Swarm achievements worth 1,813

3,049 tracked gamers have this game, 89 have completed it (2.92%)

Achievement Details

Rydberg Reactor Speed Run in Alien Swarm

Rydberg Reactor Speed Run42

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

  • Unlocked by 176 tracked gamers (6% - TSA Ratio = 4.16) 3,049  
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