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Alien Swarm Reactive Drop — cover artworkGAME PROFILE

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Alien Swarm Reactive Drop

Release date
2017-04-20
Developers
Reactive Drop Team
Publishers
Reactive Drop Team
Genres
Action, Free To Play
95%Steam playersPositive · 23,854 reviews ↗
About these ratings

Steam shows the percentage of positive player reviews across all languages and purchase types. Metacritic shows the PC critic score out of 100. These are separate measures. Rating links open in a new tab.

Steam reviews updated 2026-10-15 08:14:33 UTC.

Steam / PC features

SingleplayerMultiplayerCo-opOnline co-opFull controller supportReleased
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Cloud gaming options for Alien Swarm Reactive Drop

Explore cloud gaming options for Alien Swarm Reactive Drop. Active listings in our database include Boosteroid. Check the service details below for recorded access requirements and regional scope.

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Boosteroid

Available

Region / scope
Global (source scope)
Access
Own Game
Stores
Steam
Last verified (UTC)
2026-10-15 08:14:33
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About this game

Alien Swarm: Reactive Drop is a standalone expansion for Valve’s Alien Swarm game. Available free of charge, the game thrusts players into an epic bug hunt featuring a unique blend of co-op play and squad-level tactics. With your friends, form a squad of four distinct IAF Marine classes. Plan your attack using an unlockable arsenal of weapons with countless loadout configurations against a wide variety of aliens. Blaze your way through various locations eradicating the alien infestation.

Screenshots

Alien Swarm Reactive Drop — screenshot 1 Alien Swarm Reactive Drop — screenshot 2 Alien Swarm Reactive Drop — screenshot 3 Alien Swarm Reactive Drop — screenshot 4 Alien Swarm Reactive Drop — screenshot 5 Alien Swarm Reactive Drop — screenshot 6 Alien Swarm Reactive Drop — screenshot 7 Alien Swarm Reactive Drop — screenshot 8 Alien Swarm Reactive Drop — screenshot 9 Alien Swarm Reactive Drop — screenshot 10 Alien Swarm Reactive Drop — screenshot 11 Alien Swarm Reactive Drop — screenshot 12

Official trailers

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Alien Swarm: Reactive Drop Trailer▶ Alien Swarm: Reactive Drop Trailer

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