A real-time 3D space simulator and interactive planetarium. Travel to any planet, moon, star, or galaxy and view it from any point in space and time. Accelerate time, land on alien worlds, and expand the universe with community-made add-ons.
Command a deep space rescue operation in this space management game, where you manage a fleet of ships, build bases, coordinate resources distribution, and explore uncharted planets to find and save the scattered crew of the ISS Celestia.