Alien Swarm achievements
1,832
(660)

Alien Swarm

3.4 from 75 votes

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

2,462 tracked gamers have this game, 60 have completed it (2.44%)

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 138 tracked gamers (6% - TSA Ratio = 4.23) 2,462  
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