Games like Space Pirates and Zombies
Games like Space Pirates and Zombies include Space Pirates And Zombies 2, FTL: Faster Than Light, No Man's Sky, Heat Signature, and Reassembly. We matched them by the tags players give Space Pirates and Zombies on Steam (Space, Action, Indie, Sci-fi, and Top-Down): closest matches first, and among equally close ones the better-known games.

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

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

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

Heat Signature
Shared: Space · Indie · Action

Reassembly
Shared: Space · Action · Strategy

Starfield
Shared: Space · Sci-fi · RPG

Endless Sky
Shared: Space · Sci-fi · Singleplayer

Rebel Galaxy
Shared: Space · Sci-fi · RPG

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

Mount & Blade II: Bannerlord
Shared: Strategy · RPG · Action

Star Valor
Shared: Space · Action · RPG

STAR WARS Jedi: Survivor™
Shared: Action · Sci-fi · Singleplayer

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

Between the Stars
Shared: Space · Action · Indie

Stellaris
Shared: Space · Sci-fi · Strategy

Fallout 4
Shared: RPG · Singleplayer · Action

Elite Dangerous
Shared: Space · Sci-fi · Action

SPORE™ Galactic Adventures
Shared: Action · Space · Sci-fi

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

Mass Effect™ Legendary Edition
Shared: Space · Sci-fi · RPG

Mass Effect (2007)
Shared: Action · Sci-fi · Space

ENDLESS Space™ 2
Shared: Space · Sci-fi · Strategy

Fallout: New Vegas
Shared: RPG · Action · Singleplayer

V: Rings of Saturn
Shared: Space · Sci-fi · Top-Down