Alien Swarm achievements

Alien Swarm

3.3 from 83 votes

There are a maximum of 66 Alien Swarm achievements worth 1,797

3,011 tracked gamers have this game, 92 have completed it (3.06%)

Achievement Details

Damage Amped in Alien Swarm

Damage Amped26

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

  • Unlocked by 433 tracked gamers (14% - TSA Ratio = 2.64) 3,051  
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