Alien Swarm achievements

Alien Swarm

3.4 from 70 votes

There are a maximum of 66 Alien Swarm achievements worth 1,861

2,348 tracked gamers have this game, 64 have completed it (2.73%)

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 317 tracked gamers (14% - TSA Ratio = 2.72) 2,348  
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