Games like Spaceship Commander
Games like Spaceship Commander include Elite Dangerous, FTL: Faster Than Light, Rebel Galaxy, Between the Stars, and Space Pirates and Zombies. We matched them by the tags players give Spaceship Commander on Steam (Action, Indie, Space, Sci-fi, and Strategy): closest matches first, and among equally close ones the better-known games.

Elite Dangerous
Shared: Space · Sci-fi · Open World

FTL: Faster Than Light
Shared: Space · Indie · Sci-fi

Rebel Galaxy
Shared: Space · Sci-fi · Open World

Between the Stars
Shared: Action · Space · Indie

Space Pirates and Zombies
Shared: Action · Space · Indie

Starfield
Shared: Space · Sci-fi · Open World

Endless Sky
Shared: Space · Sci-fi · Open World

Space Pirates And Zombies 2
Shared: Action · Space · Indie

Starpoint Gemini 2
Shared: Space · Sci-fi · RPG

EVE Online
Shared: Space · Open World · Space Sim

Starcom: Nexus
Shared: Space · Sci-fi · Action

Starpoint Gemini Warlords
Shared: Space · RPG · Strategy

No Man's Sky
Shared: Space · Open World · Sci-fi

Mount & Blade II: Bannerlord
Shared: Strategy · RPG · Open World

Cosmoteer: Starship Architect & Commander
Shared: Sci-fi · Space · Indie

Heat Signature
Shared: Space · Indie · Action

X4: Foundations
Shared: Space · Open World · Sci-fi

Space Rangers HD: A War Apart
Shared: Space · Strategy · RPG

EVERSPACE™
Shared: Action · Space · Indie

Cyberpunk 2077
Shared: Open World · RPG · Sci-fi

Starcom: Unknown Space
Shared: Space · Open World · Sci-fi

Reassembly
Shared: Space · Action · Strategy

Kerbal Space Program
Shared: Space · Indie · Space Sim

X Rebirth
Shared: Space · Action · Sci-fi