Alien Swarm achievements

Alien Swarm

3.3 from 72 votes

There are a maximum of 66 Alien Swarm achievements worth 1,858

2,410 tracked gamers have this game, 62 have completed it (2.57%)

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 322 tracked gamers (13% - TSA Ratio = 2.72) 2,410  
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