1. Alien Swarm: Reactive Drop Achievements
  2. Operation x5 Speed Run achievement
Alien Swarm: Reactive Drop

Alien Swarm: Reactive Drop

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Alien Swarm: Reactive Drop
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5th Anniversary Update

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5th Anniversary Update

Operation x5 Speed Run achievement in Alien Swarm: Reactive Drop

Operation x5 Speed Run

Complete Operation x5 within 3:28 on Normal difficulty or harder without any marines dying.

Operation x5 Speed Run+1.0
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