Free Neptune 3D Screensaver - Version 1.0 Explore the Solar System with Neptune 3D screensaver. Imagine yourself a great astronaut that can have a close look at the farthest planet from the Sun. Restore peace of mind observing a myriad of stars, looking so captivating in their eternal shine. This free screensaver is the latest creation made by the developers of the popular Solar System series. It will be a great ornament for your desktop and perfect refreshment for your mind