Alien Swarm achievements
1,833
(660)

Alien Swarm

3.4 from 75 votes

There are a maximum of 66 Alien Swarm achievements worth 1,833

2,550 tracked gamers have this game, 65 have completed it (2.55%)

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 360 tracked gamers (14% - TSA Ratio = 2.65) 2,550  
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