Space Engine Steamunlocked Better ◎

Exploring SpaceEngine: A Guide to the Universe (and Why You Should Buy It)

Before moving to Steam as a paid product, older versions of SpaceEngine were completely free. The developer still hosts on the official website. While it lacks the latest graphical updates and planetary physics of the Steam version, it is 100% free, safe, and legal to download. 2. Celestia space engine steamunlocked