Alien Swarm achievements
1,776
(660)

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

Clear Firing in Alien Swarm

Clear Firing14

Kill 25 drones without friendly fire. Four marines must be present in the mission.

  • Unlocked by 1,546 tracked gamers (50% - TSA Ratio = 1.40) 3,084  
Do you have a question about this achievement? Please post it in the Alien Swarm Forum