Alien Swarm achievements

Alien Swarm

3.4 from 75 votes

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

2,546 tracked gamers have this game, 65 have completed it (2.55%)

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 1,267 tracked gamers (50% - TSA Ratio = 1.41) 2,546  
Do you have a question about this achievement? Please post it in the Alien Swarm Forum