Games like Star Trucker
Games like Star Trucker include Euro Truck Simulator 2, American Truck Simulator, Elite Dangerous, Kerbal Space Program, and No Man's Sky. We matched them by the tags players give Star Trucker on Steam (Transportation, Space Sim, Space, Driving, and Automobile Sim): closest matches first, and among equally close ones the better-known games.

Euro Truck Simulator 2
Shared: Transportation · Driving · Simulation

American Truck Simulator
Shared: Driving · Transportation · Automobile Sim

Elite Dangerous
Shared: Space Sim · Space · Simulation

Kerbal Space Program
Shared: Space · Space Sim · Simulation

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

BeamNG.drive
Shared: Driving · Simulation · Automobile Sim

Motor Town: Behind The Wheel
Shared: Transportation · Driving · Simulation

SnowRunner
Shared: Automobile Sim · Simulation · Driving

X4: Foundations
Shared: Space · Space Sim · Simulation

Forza Horizon 5
Shared: Driving · Automobile Sim · Simulation

Universe Sandbox
Shared: Space · Space Sim · Simulation

EVE Online
Shared: Space Sim · Space · Exploration

Empyrion - Galactic Survival
Shared: Space · Simulation · Space Sim

The Long Drive
Shared: Driving · Automobile Sim · Exploration

Kerbal Space Program 2
Shared: Space · Exploration · Simulation

Taxi Life: A City Driving Simulator
Shared: Driving · Simulation · Automobile Sim

Fernbus Simulator
Shared: Automobile Sim · Driving · Simulation

Hardspace: Shipbreaker
Shared: Space · Simulation · Space Sim

My Summer Car
Shared: Automobile Sim · Driving · Simulation

Starfield
Shared: Space · Exploration · Open World

Drive Beyond Horizons
Shared: Driving · Automobile Sim · Exploration

Forza Horizon 6
Shared: Driving · Automobile Sim · Simulation

Space Engineers
Shared: Space · Simulation · Open World

MudRunner
Shared: Simulation · Driving · Automobile Sim