Alien Swarm achievements

Alien Swarm

3.4 from 67 votes

There are a maximum of 66 Alien Swarm achievements worth 1,883

2,293 tracked gamers have this game, 57 have completed it (2.49%)

Achievement Details

Damage Amped in Alien Swarm

Damage Amped27

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

  • Unlocked by 305 tracked gamers (13% - TSA Ratio = 2.72) 2,293  
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