SpaceEngine is a realistic universe simulator that lets you explore a procedurally generated cosmos with billions of galaxies, stars, and planets. It offers a scientifically accurate representation of space, allowing you to travel from Earth to the edge of the observable universe. Whether you want to visit known celestial bodies or discover uncharted worlds, SpaceEngine provides an unparalleled sense of scale and discovery.
SpaceEngine is a comprehensive universe simulator that models the cosmos using real astronomical data and procedural generation. You can start on Earth and fly to any star, planet, or galaxy, with accurate positions and physical properties based on current scientific knowledge. The game includes known objects like the Solar System, nearby stars, and exoplanets, while filling the rest with procedurally generated content that follows realistic astrophysical rules.
Gameplay is open-ended and exploration-driven, with no set goals or missions. You can control your spacecraft manually or use automated navigation to travel between celestial bodies. The simulation includes time acceleration, allowing you to observe orbital motions, eclipses, and other astronomical events. With a focus on education and immersion, SpaceEngine lets you experience the universe as it truly is, from the surface of a distant moon to the heart of a black hole.
- Procedurally generated universe with billions of galaxies, stars, and planets
- Realistic physics and accurate astronomical data for known objects
- Free exploration with manual or automated spacecraft controls
- Time acceleration to observe celestial events and orbital mechanics
- Detailed planetary surfaces with terrain, oceans, and atmospheres
- Support for mods and custom content via the Steam Workshop
- VR support for an immersive space exploration experience
- OS: 10
- Processor: Requires a 64-bit processor and operating system / Intel Core i3-3220T or AMD FX-4100
- Memory: 6 GB RAM / Notes: VRAM (dedicated video memory) is very important for SpaceEngine - 3 GB is enough to run the program comfortably on lower settings
- Graphics: GeForce GTX 1050 Ti or Radeon R9 380 (4 GB)
- Storage: 4 GB available space
- OS: 10
- Processor: Requires a 64-bit processor and operating system / Intel Core i5-4430 or AMD FX-8350
- Memory: 8 GB RAM / Notes: VRAM (dedicated video memory) is very important for SpaceEngine - 5 GB is required to run the program with all features enabled and at good settings
- Graphics: GeForce GTX 1060 (5/6 GB) or Radeon RX 480 (8 GB)
- Storage: 50 GB available space
- Download the game files and wait for the process to complete.
- Locate the installer and run it.
- Follow the on-screen instructions to install the game.
- Once the installation is complete, launch the game from the shortcut or installation folder.
- That’s it! You’re ready to play. Enjoy the game!
Reminder:
This download is completely free and won’t cost you anything. If you enjoy the game, please consider purchasing it here to support the developers.
Before getting started, please make sure you have a compatible download client installed. If needed, you can download one for free here.

Ask setup questions, share fixes, or help other players with useful context.
Start the discussion with a useful question, fix, or gameplay tip.