Games like Homeworld: Vast Reaches
Games like Homeworld: Vast Reaches include Stellaris, Homeworld 3, STAR WARS™ Empire at War - Gold Pack, Homeworld: Deserts of Kharak, and Sins of a Solar Empire II. We matched them by the tags players give Homeworld: Vast Reaches on Steam (Sandbox, Space, RTS, Female Protagonist, and Strategy): closest matches first, and among equally close ones the better-known games.

Stellaris
Shared: Space · Strategy · Sandbox

Homeworld 3
Shared: Space · RTS · Strategy

STAR WARS™ Empire at War - Gold Pack
Shared: Space · RTS · Strategy

Homeworld: Deserts of Kharak
Shared: RTS · Strategy · Space

Sins of a Solar Empire II
Shared: Space · RTS · Strategy

Homeworld Remastered Collection
Shared: Space · RTS · Strategy

X4: Foundations
Shared: Space · Sandbox · Simulation

Dyson Sphere Program
Shared: Space · Sandbox · Simulation

Aliens: Dark Descent
Shared: Strategy · RTS · Tactical

Elite Dangerous
Shared: Space · VR · Simulation

Totally Accurate Battle Simulator
Shared: Sandbox · Strategy · Simulation

Mass Effect™ Legendary Edition
Shared: Space · Story Rich · Choices Matter

Kerbal Space Program
Shared: Space · Sandbox · Simulation

Hardspace: Shipbreaker
Shared: Space · Sandbox · Simulation

RimWorld
Shared: Sandbox · Strategy · Simulation

Battlefleet Gothic: Armada (Classic)
Shared: Space · RTS · Strategy

Ultimate Epic Battle Simulator 2
Shared: Sandbox · Strategy · RTS

Half-Life: Alyx
Shared: VR · Female Protagonist · Story Rich

STAR WARS™: Squadrons
Shared: Space · VR · Sci-fi

X Rebirth
Shared: Space · Sandbox · Simulation

Anno 1800
Shared: Strategy · Sandbox · RTS

Halo Wars: Definitive Edition
Shared: RTS · Strategy · Sci-fi

SPORE™ Galactic Adventures
Shared: Space · Sandbox · Simulation

Anno 117: Pax Romana
Shared: Sandbox · Strategy · RTS