Alien Swarm
Steam
- 1,354,862 Achievements Earned
- 82,966 Players Tracked
- 66 Total Achievements
- 11,584 Obtainable EXP
- 3,320 100% Club
Complete a mission with no friendly fire incidents. Four marines must be present in the mission.
20.80%
Rare - 101.00 EXP
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