Single-player games like SpaceEngine
Below are 9 single-player Steam games similar to SpaceEngine, 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 SpaceEngine page.
Ranked picks
- 1
Universe Sandbox
Single-player alternative to SpaceEngine — playable solo, no multiplayer required. Shares Indie and Simulation with SpaceEngine.
Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the laws of gravity, collide planets, boil away oceans, fire epic space lasers, and customize your universe.
- 2
Enter The Moon
Single-player alternative to SpaceEngine — playable solo, no multiplayer required. Shares Simulation with SpaceEngine.
Space simulation moon game. Explore the moon, mars, venus and mercury in breathtaking real-time 3D. Explore their geological aspects. Battle against spaceships or a secret lunar base. Enter the ISS. Measure the moon. And get in the cockpit.
- 3
Lunar Odyssey
Single-player alternative to SpaceEngine — playable solo, no multiplayer required. Shares Simulation and Early Access with SpaceEngine.
Don your xEMU Spacesuit, explore the Orontius Crater, and Lunar Module in an immersive first-person VR experience with out of this world accuracy and interaction. Follow real-life procedures, launch the Apollo-era Lunar Module, play Space Golf, and experience the moon like never before.
- 4
Kerbal Space Program
Single-player alternative to SpaceEngine — playable solo, no multiplayer required. Shares Indie and Simulation with SpaceEngine.
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.
- 5
Rocket Science
Single-player alternative to SpaceEngine — playable solo, no multiplayer required. Shares Simulation and Early Access with SpaceEngine.
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.
- 6
Relax In Space
Single-player alternative to SpaceEngine — playable solo, no multiplayer required. Shares Indie and Simulation with SpaceEngine.
This cosmic walking drug enhancer doesn’t ask you for much, it just wants you to come as you are. Bring your favorite edibles, mushrooms, music, and Relax. Consider using it for meditation and reflection. A title perfect for those nights when you want to float off into space and forget about things.
- 7
Juno: New Origins
Single-player alternative to SpaceEngine — playable solo, no multiplayer required. Shares Indie and Simulation with SpaceEngine.
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.
- 8
Elite Dangerous
Single-player alternative to SpaceEngine — playable solo, no multiplayer required. Shares Simulation with SpaceEngine.
Take control of your own starship and blaze your trail in an ever-changing galaxy. Master the arts of combat, mining and trade or venture out into the unknown across a 1:1 scale universe.
- 9
Minecraft: Story Mode - A Telltale Games Series
Single-player alternative to SpaceEngine — playable solo, no multiplayer required.
Episode 1 is now FREE - for a limited time! In Minecraft: Story Mode, playing as either a male or female hero named 'Jesse,' you’ll embark on a perilous adventure across the Overworld, through the Nether, to the End, and beyond.