1. Alien Swarm: Reactive Drop Achievements
  2. Chemical Warfare achievement
Alien Swarm: Reactive Drop

Alien Swarm: Reactive Drop

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Alien Swarm: Reactive Drop
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Update #1

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Update #1

Chemical Warfare achievement in Alien Swarm: Reactive Drop

Chemical Warfare

Kill 500 Swarm with Gas Grenades.

Chemical Warfare+1.0
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