Alien Swarm Wiki

Clear Firing

343pages on
this wiki
Add New Page
Talk0 Share
Clear Firing
Clear Firing
Difficulty Easy
Description Kill 25 drones without friendly fire. Four marines must be present in the mission.
Repeatable Yes

Clear Firing is a Steam Achievement that requires you to kill 25 Drones without causing damage to other marines through friendly fire.


  • Despite the ambiguous wording, this achievement is a personal one: this means that as long as you don't cause friendly fire, you can earn it.
  • An easy way to earn this achievement is to use the Tesla Cannon, which does not cause friendly fire.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.