Alien Swarm achievements
1,858
(660)

Alien Swarm

3.3 from 72 votes

There are a maximum of 66 Alien Swarm achievements worth 1,858

2,417 tracked gamers have this game, 61 have completed it (2.52%)

Achievement Details

Rydberg Reactor Speed Run in Alien Swarm

Rydberg Reactor Speed Run43

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

  • Unlocked by 132 tracked gamers (5% - TSA Ratio = 4.25) 2,417  
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