Sins of a Solar Empire: Rebellion

 
Sins of a Solar Empire is a space-bound game. The playing field is a 3D web of planets and other celestial objects in the orbital plane of one or more stars. It features a sandbox mode, allowing the player to choose different types of solar systems to unlock achievements. Players can conquer neighboring planets and explore distant star systems in a “massively scaled, fully 3D environment featuring entire galaxies, orbiting planets, clusters of asteroids, space dust and radiant stars.”