Gamer Achievement Win

Full list of all 198 Alien Swarm: Reactive Drop achievements.

The base game contains 143 achievements, and there are 4 DLC packs containing 55 achievements.

  • Damage Amped

    Kill 15 Swarm with all four marines under the effects of a Damage Amp in a single mission.

    Damage Amped
    26 April 2017 - Add a guide
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