Celestia is an application for real-time 3D visualization of space, with a detailed model of the solar system, over 100,000 stars, more than 10,000 galaxies, and an extension mechanism for adding more objects.



Pioneer is described as 'Space adventure game set in the Milky Way galaxy at the turn of the 31st century. The game is open-ended, and you are free to explore the millions of star systems in the game. You can land on planets, slingshot past gas giants, and burn yourself to a crisp flying' and is a simulation games in the games category. There are more than 10 games similar to Pioneer for a variety of platforms, including Windows, Linux, Mac, Steam and Android apps. The best Pioneer alternative is Celestia, which is both free and Open Source. Other Pioneer like games are Universe Sandbox, Star Fox, Spore and Vega Strike.
Celestia is an application for real-time 3D visualization of space, with a detailed model of the solar system, over 100,000 stars, more than 10,000 galaxies, and an extension mechanism for adding more objects.



Universe Sandbox is an interactive space simulator for Windows based PCs.
Unlike most astronomy software that just shows you what the sky looks like or where the planets are, Universe Sandbox is a powerful gravity simulator. You can add another star to our solar system and watch.


Star Fox is a rail shooter, space flight simulator, and [third person](https://alternativeto.

Spore is a multi-genre single-player god game developed by Maxis and designed by Will Wright.



Vega Strike is an Open Source 3D Action-Space-Sim that lets you trade, fight, and explore in a vast universe.




Zen Koi is a fun, relaxing and stylish mobile game experience from LandShark Games. Grow, breed and collect beautiful Japanese carp as they make their way to mythological dragon form.






Orbiter is a realistic 3D real-time space flight simulator program.
Fed up with space games that insult your intelligence and violate every law of physics? Orbiter is a simulator that gives you an idea what space flight really feels like - today and in the not so distant future.



Oolite is a space sim game, inspired by Elite. Among Oolite's several similarities to its inspirational source, the gaming experience is enhanced by the context set in Elite's original manual, and the accompanying novella, The Dark Wheel.




Create and manage your own space program, build and fly spacecraft, and try to conquer space.




Elite: Dangerous is a space adventure, trading, and combat simulator that is the fourth release in the Elite video game series.




Crying Suns is a tactical rogue-lite that puts you in the role of a space fleet commander as you explore a mysteriously fallen empire. In this story rich experience inspired by Dune and Foundation, each successful run will uncover the truth about the Empire...




FTL is a spaceship simulation roguelike-like. Its aim is to recreate the atmosphere of running a spaceship exploring the galaxy (like Firefly/Star Trek/BSG etc.).




this is not remotely similar to pioneer its not even a space game