Alien Swarm achievements

Alien Swarm

3.4 from 56 votes

There are a maximum of 66 Alien Swarm achievements worth 1,945

1,828 tracked gamers have this game, 38 have completed it (2.08%)

Achievement Details

Outstanding Execution in Alien Swarm

Outstanding Execution47

Complete a campaign on Normal difficulty or harder without any marines dying.

  • Unlocked by 81 tracked gamers (4% - TSA Ratio = 4.74) 1,828  
Do you have a question about this achievement? Please post it in the Alien Swarm Forum