Single-player games like SpaceEngine
Below are 8 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
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.
- 3
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.
- 4
No Man's Sky
Single-player alternative to SpaceEngine — playable solo, no multiplayer required.
No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.
- 5
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.
- 6
Spaceflight Simulator
Single-player alternative to SpaceEngine — playable solo, no multiplayer required. Shares Indie and Simulation with SpaceEngine.
In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.
- 7
Starpoint Gemini 2
Single-player alternative to SpaceEngine — playable solo, no multiplayer required. Shares Simulation with SpaceEngine.
Captain your own space ship and roam the galaxy in 3D in this tactical space simulator with tons of RPG depth ! Space has never looked so inviting - but images can betray...It has been two years since the end of the second Gemini war, the situation in the wartorn system is further from resolution than ever.
- 8
Dyson Sphere Program
Single-player alternative to SpaceEngine — playable solo, no multiplayer required. Shares Indie and Simulation with SpaceEngine.
Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire.