Alien Swarm achievements
1,796
(660)

Alien Swarm

3.3 from 79 votes

There are a maximum of 66 Alien Swarm achievements worth 1,796

2,729 tracked gamers have this game, 81 have completed it (2.97%)

Achievement Details

Railgun Specialist in Alien Swarm

Railgun Specialist33

Kill 250 Swarm with a Rail Rifle.

  • Unlocked by 245 tracked gamers (9% - TSA Ratio = 3.33) 2,735  
Do you have a question about this achievement? Please post it in the Alien Swarm Forum