Alien Swarm achievements
1,778
(660)

Alien Swarm

3.4 from 81 votes

There are a maximum of 66 Alien Swarm achievements worth 1,778

2,799 tracked gamers have this game, 88 have completed it (3.14%)

Achievement Details

Rydberg Reactor Speed Run in Alien Swarm

Rydberg Reactor Speed Run40

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

  • Unlocked by 175 tracked gamers (6% - TSA Ratio = 4.03) 2,807  
Do you have a question about this achievement? Please post it in the Alien Swarm Forum