Alien Swarm achievements
1,778
(660)

Alien Swarm

3.4 from 81 votes

There are a maximum of 66 Alien Swarm achievements worth 1,778

2,799 tracked gamers have this game, 88 have completed it (3.14%)

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 407 tracked gamers (15% - TSA Ratio = 2.62) 2,806  
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