1. Alien Swarm: Reactive Drop Achievements
  2. Operation Sandstorm Speedrun achievement
Alien Swarm: Reactive Drop

Alien Swarm: Reactive Drop

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Alien Swarm: Reactive Drop
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Operation Sandstorm Speedrun achievement in Alien Swarm: Reactive Drop

Operation Sandstorm Speedrun

Complete Operation Sandstorm within 3:00 on Normal difficulty or harder without any marines dying.

Operation Sandstorm Speedrun+3.0
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