Games like Orbital Shipyards
Games like Orbital Shipyards include Kerbal Space Program, Starship EVO, Starbase, Space Engineers, and Empyrion - Galactic Survival. We matched them by the tags players give Orbital Shipyards on Steam (Action, Indie, Simulation, Early Access, and Building): closest matches first, and among equally close ones the better-known games.

Kerbal Space Program
Shared: Simulation · Space · Building

Starship EVO
Shared: Action · Indie · Simulation

Starbase
Shared: Building · Simulation · Action

Space Engineers
Shared: Building · Simulation · Space

Empyrion - Galactic Survival
Shared: Simulation · Space · Building

Elite Dangerous
Shared: Space · Space Sim · Simulation

Kinetic Void
Shared: Indie · Simulation · Action

Dyson Sphere Program
Shared: Space · Building · Simulation

Avorion
Shared: Building · Space Sim · Space

StarMade
Shared: Space · Building · Indie

SpaceEngine
Shared: Space · Space Sim · Open World

Feed and Grow: Fish
Shared: Simulation · Action · Early Access

Universe Sandbox
Shared: Simulation · Space · Space Sim

Kerbal Space Program 2
Shared: Space · Building · Simulation

Starpoint Gemini 2
Shared: Simulation · Space · Action

Deliver Us The Moon
Shared: Indie · Action · Space

Astrox Imperium
Shared: Simulation · Indie · Early Access

Paralives
Shared: Simulation · Indie · Building

Between the Stars
Shared: Action · Simulation · Indie

X Rebirth
Shared: Simulation · Action · Space

Cosmoteer: Starship Architect & Commander
Shared: Building · Indie · Space

Spaceflight Simulator
Shared: Simulation · Space · Space Sim

Rebel Galaxy
Shared: Space · Action · Simulation

House of the Dying Sun
Shared: Action · Simulation · Indie