Alien Swarm achievements
1,909
(660)

Alien Swarm

3.4 from 66 votes

There are a maximum of 66 Alien Swarm achievements worth 1,909

2,218 tracked gamers have this game, 51 have completed it (2.30%)

Achievement Details

Damage Amped in Alien Swarm

Damage Amped28

Kill 15 Swarm with all four marines under the effects of a Damage Amp in a single mission.

  • Unlocked by 292 tracked gamers (13% - TSA Ratio = 2.75) 2,218  
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