Single-player games like Soyuz Constructors
Below are 9 single-player Steam games similar to Soyuz Constructors, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Soyuz Constructors page.
Ranked picks
- 1
Kerbal Space Program
Single-player alternative to Soyuz Constructors — playable solo, no multiplayer required. Shares Indie and Simulation with Soyuz Constructors.
In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.
- 2
Spaceflight Simulator 2
Single-player alternative to Soyuz Constructors — playable solo, no multiplayer required. Shares Indie and Simulation with Soyuz Constructors.
Build rockets and fly them around the Solar System in this realistic aerospace sandbox. Attempt landings, build space stations, drive rovers, perform spacewalks, explore alien worlds, and get your crew home safe.
- 3
RemoteSpace: First Settlement
Single-player alternative to Soyuz Constructors — playable solo, no multiplayer required. Shares Simulation with Soyuz Constructors.
A hard-sci-fi orbital settlement sim where you mine asteroids, build infrastructure, fight enemy, and operate inside a living solar system shaped by orbital mechanics, limited information, and long-distance logistics.
- 4
Rocket Science
Single-player alternative to Soyuz Constructors — playable solo, no multiplayer required. Shares Simulation with Soyuz Constructors.
Take part in a space program. Design spacecrafts and send them off to explore the vast expanses of space. Experience the real scale of the Solar system and the size of its celestial bodies.
- 5
Kerbal Space Program 2
Single-player alternative to Soyuz Constructors — playable solo, no multiplayer required. Shares Indie and Simulation with Soyuz Constructors.
Kerbal Space Program 2 is the sequel to the acclaimed space-flight simulation game Kerbal Space Program. Enter the next generation of space adventure with exciting new parts, stunning visuals, fully revamped UI and Map View, and rich new environments to explore.
- 6
Take On Mars
Single-player alternative to Soyuz Constructors — playable solo, no multiplayer required. Shares Simulation with Soyuz Constructors.
Take On Mars places you right in the middle of mankind’s most exciting undertaking. Start out in the seat of a rover operator, finish as the first human to have ever set foot on the Red Planet.
- 7
Rover Mechanic Simulator
Single-player alternative to Soyuz Constructors — playable solo, no multiplayer required. Shares Indie and Simulation with Soyuz Constructors.
As an Engineer - crew member of one of the first Mars colonies - you are responsible for repairing and maintaining Mars Rovers. In this advanced simulator you will learn the internal details of various Mars Rovers and their components.
- 8
Juno: New Origins
Single-player alternative to Soyuz Constructors — playable solo, no multiplayer required. Shares Indie and Simulation with Soyuz Constructors.
Bring to life anything you can imagine from rockets and airplanes to cars and more. Automate them with a visual programming language. Explore 3D planets and make your own. Share your creations online. Complete contracts, conquer milestones, and unlock technology in the newly added Career Mode.
- 9
Rover Mechanic Challenge - ERC Competition
Single-player alternative to Soyuz Constructors — playable solo, no multiplayer required. Shares Indie and Simulation with Soyuz Constructors.
𝗘𝗥𝗖 𝗥𝗼𝘃𝗲𝗿 𝗠𝗲𝗰𝗵𝗮𝗻𝗶𝗰 𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲 is an e-tournament based on the world's only simulator for repairing Mars Rovers. Take part in solving challenging tasks and become the master of leader board.