Games like Alien Swarm: Reactive Drop
Games like Alien Swarm: Reactive Drop include HELLDIVERS™ 2, ARC Raiders, Deep Rock Galactic, Warhammer 40,000: Space Marine 2, and PUBG: BATTLEGROUNDS. We matched them by the tags players give Alien Swarm: Reactive Drop on Steam (Twin Stick Shooter, PvE, Top-Down Shooter, Class-Based, and Third-Person Shooter): closest matches first, and among equally close ones the better-known games.

HELLDIVERS™ 2
Shared: PvE · Third-Person Shooter · Co-op

ARC Raiders
Shared: PvE · Third-Person Shooter · PvP

Deep Rock Galactic
Shared: PvE · Co-op · Class-Based

Warhammer 40,000: Space Marine 2
Shared: Co-op · PvE · Third-Person Shooter

PUBG: BATTLEGROUNDS
Shared: Third-Person Shooter · Shooter · Co-op

Warframe
Shared: Third-Person Shooter · Co-op · PvE

HELLDIVERS™ Dive Harder Edition
Shared: Co-op · Twin Stick Shooter · Top-Down Shooter

Aliens: Fireteam Elite
Shared: Co-op · Aliens · Third-Person Shooter

Warhammer 40,000: Darktide
Shared: PvE · Co-op · Class-Based

EARTH DEFENSE FORCE 5
Shared: Co-op · Third-Person Shooter · Aliens

Destiny 2
Shared: Co-op · PvE · PvP

Grand Theft Auto V Legacy
Shared: Action · Third-Person Shooter · Co-op

STAR WARS™ Battlefront™ II
Shared: Third-Person Shooter · Co-op · Shooter

Aimlabs
Shared: Third-Person Shooter · Shooter · Action

SYNTHETIK 2
Shared: Twin Stick Shooter · Top-Down Shooter · PvE

Starship Troopers: Extermination
Shared: Co-op · PvE · Aliens

STAR WARS™ Battlefront II (Classic, 2005)
Shared: Third-Person Shooter · Shooter · Action

Risk of Rain 2
Shared: Co-op · Third-Person Shooter · Action

World of Warships
Shared: Third-Person Shooter · Shooter · PvP

REMNANT II®
Shared: Co-op · Third-Person Shooter · Action

World War Z
Shared: Co-op · PvE · Third-Person Shooter

The Ascent
Shared: Top-Down Shooter · Co-op · Twin Stick Shooter

Alien Breed: Impact
Shared: Co-op · Aliens · Twin Stick Shooter

Marvel Rivals
Shared: Third-Person Shooter · PvP · Action