Games like Space Mechanic Simulator: Prologue
Games like Space Mechanic Simulator: Prologue include Euro Truck Simulator 2, Universe Sandbox, American Truck Simulator, Kerbal Space Program, and Spaceflight Simulator. We matched them by the tags players give Space Mechanic Simulator: Prologue on Steam (Simulation, Space Sim, Immersive Sim, Exploration, and Mars): closest matches first, and among equally close ones the better-known games.

Euro Truck Simulator 2
Shared: Simulation · Realistic · Exploration

Universe Sandbox
Shared: Simulation · Space Sim · Space

American Truck Simulator
Shared: Simulation · Realistic · Exploration

Kerbal Space Program
Shared: Simulation · Space Sim · Space

Spaceflight Simulator
Shared: Space Sim · Simulation · Exploration

Elite Dangerous
Shared: Space Sim · Simulation · Exploration

PC Building Simulator
Shared: Simulation · Immersive Sim · Realistic

X4: Foundations
Shared: Simulation · Space Sim · Space

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

SpaceEngine
Shared: Space Sim · Space · Realistic

Kerbal Space Program 2
Shared: Exploration · Space · Simulation

Take On Mars
Shared: Simulation · Exploration · Mars

EVE Online
Shared: Space Sim · Exploration · Simulation

Liftoff®: FPV Drone Racing
Shared: Simulation · Realistic · Immersive Sim

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

Farming Simulator 25
Shared: Simulation · Realistic · Immersive Sim

Exo One
Shared: Exploration · Space · Space Sim

Surviving Mars: Relaunched
Shared: Simulation · Exploration · Immersive Sim

Retro Rewind - Video Store Simulator
Shared: Simulation · Immersive Sim · Inventory Management

Star Trucker
Shared: Space Sim · Simulation · Space

No Man's Sky
Shared: Exploration · Space · Space Sim

SnowRunner
Shared: Simulation · Exploration · Realistic

Internet Cafe Simulator 2
Shared: Simulation · Exploration · Immersive Sim

Ultimate Fishing Simulator
Shared: Simulation · Immersive Sim · Exploration