Alien Swarm: Reactive Drop
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Alien Swarm: Reactive Drop is currently available on Steam, for free. Launch it now* or visit its store page on (Browser | Steam*).
*Only works if Steam has been installed, please install Steam if you haven't already.
Supported Systems for this game:
Steam Deck support status:
Verified - More info on ProtonDB
*Only works if Steam has been installed, please install Steam if you haven't already.
Supported Systems for this game:
Steam Deck support status:
Verified - More info on ProtonDB Overview
Alien Swarm: Reactive Drop is a standalone mod for Alien Swarm which extends the original game, bringing more maps, campaigns, aliens, game modes, guns, and more. It also has Steam Workshop support.