Alien Swarm: Reactive Drop

Co-operative top-down shooter game available for free. An epic bug hunt featuring a unique blend of co-op play and squad-level tactics.

Developer: Reactive Drop Team.

Tags: Solo · Co-op · PvP, Twin Stick Shooter, PvE, Top-Down Shooter.

Steam reviews: Very Positive (95% of 22,649).

Price: Free to play on Steam.

Released 2017-04-20.

Last updated 2026-04-20.

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