Alien Swarm achievements

Alien Swarm

3.3 from 86 votes

There are a maximum of 66 Alien Swarm achievements worth 1,776

3,067 tracked gamers have this game, 92 have completed it (3.00%)

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 458 tracked gamers (15% - TSA Ratio = 2.59) 3,081  
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