Alien Swarm
Steam
- 1,354,751 Achievements Earned
- 82,968 Players Tracked
- 66 Total Achievements
- 11,587 Obtainable EXP
- 3,318 100% Club
Kill 15 Swarm with all four marines under the effects of a Damage Amp in a single mission.
15.13%
Rare - 139.00 EXP
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