Games like Space Zone
Games like Space Zone include Elite Dangerous, X4: Foundations, Kerbal Space Program, EVE Online, and Kerbal Space Program 2. We matched them by the tags players give Space Zone on Steam (Simulation, Space Sim, Exploration, Realistic, and Space): closest matches first, and among equally close ones the better-known games.

Elite Dangerous
Shared: Space Sim · Exploration · Space

X4: Foundations
Shared: Simulation · Space Sim · Space

Kerbal Space Program
Shared: Simulation · Space · Space Sim

EVE Online
Shared: Space Sim · Exploration · Simulation

Kerbal Space Program 2
Shared: Exploration · Space · Simulation

Universe Sandbox
Shared: Simulation · Space Sim · Space

No Man's Sky
Shared: Exploration · Space · Open World

Starfield
Shared: Space · Open World · Exploration

Empyrion - Galactic Survival
Shared: Simulation · Space · Exploration

Euro Truck Simulator 2
Shared: Simulation · Realistic · Open World

Spaceflight Simulator
Shared: Space Sim · Simulation · Space

American Truck Simulator
Shared: Simulation · Open World · Realistic

Space Engineers
Shared: Simulation · Space · Open World

Forza Horizon 5
Shared: Open World · Simulation · Realistic

Forza Horizon 6
Shared: Simulation · Open World · Exploration

X Rebirth
Shared: Simulation · Space Sim · Space

BeamNG.drive
Shared: Simulation · Realistic · Open World

Gold Mining Simulator
Shared: Simulation · Realistic · Singleplayer

SpaceEngine
Shared: Open World · Space Sim · Space

Microsoft Flight Simulator (2020) 40th Anniversary Edition
Shared: Simulation · Realistic · Open World

Endless Sky
Shared: Space · Simulation · Open World

Reentry - A Space Flight Simulator
Shared: Simulation · Space Sim · Space

Avorion
Shared: Space Sim · Exploration · Space

Microsoft Flight Simulator 2024
Shared: Simulation · Realistic · Singleplayer