Games like VainPlanet
Games like VainPlanet include EVERSPACE™, House of the Dying Sun, STAR WARS™: Squadrons, HELLDIVERS™ 2, and STAR WARS™ Battlefront™ II. We matched them by the tags players give VainPlanet on Steam (Action, Indie, Sci-fi, Space, and Shooter): closest matches first, and among equally close ones the better-known games.

EVERSPACE™
Shared: Action · Indie · Space

House of the Dying Sun
Shared: Action · Indie · Space

STAR WARS™: Squadrons
Shared: VR · Space · Action

HELLDIVERS™ 2
Shared: Action · Shooter · Sci-fi

STAR WARS™ Battlefront™ II
Shared: Shooter · Action · Space

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

Chorus
Shared: Action · Indie · Space

Bright Memory: Infinite
Shared: Action · Indie · Sci-fi

Space Pirate Trainer
Shared: Action · VR · Space

Angels Fall First
Shared: Action · Indie · Sci-fi

Half-Life: Alyx
Shared: VR · Action · Shooter

BONEWORKS
Shared: Action · VR · Shooter

Project Wingman
Shared: Action · Indie · VR

Deliver Us The Moon
Shared: Indie · Action · Sci-fi

Elite Dangerous
Shared: Space · Sci-fi · VR

Star Saviors
Shared: Action · Indie · Shoot 'Em Up

Dead Space (2008)
Shared: Action · Sci-fi · Space

Black Mesa
Shared: Action · Sci-fi · Shooter

Raw Data
Shared: Action · VR · Shoot 'Em Up

Hard Bullet
Shared: Action · VR · Indie

Pavlov
Shared: VR · Action · Shooter

Space Pirates and Zombies
Shared: Action · Indie · Space

Half-Life 2
Shared: Action · Sci-fi · Shooter

Vertigo 2
Shared: Indie · VR · Sci-fi