Planet Saturn 3D Screensaver
Saturn is a large gas planet with an atmosphere composed of hydrogen and helium. It has the lowest density of any planet in our solar system. In fact its density is so low that it would float if it was placed in water! Visually, Saturn is flattened at the poles, due to the quick rotation on its... Planet Saturn 3D Screensaver is an extraordinary 3D representation of this fascinating ringed planet. ... Saturn is known for its extensive ring system which is formed by a thousand individual rings. ... They are mainly composed of water ice and dust.
http://www.space-screensavers.com/files/planetsaturn3d.exe - 2Mb - Download - Screenshot

SOLAR WARS
SOLAR WARS is a turn-based space strategy game, based in a distant solar system, with up to thirty orbiting planets. Scout out and conquer new worlds by attacking with fleets of ships or by sending bombs. Defend homeworlds by setting hidden proximity bombs or pulse bombs. ... See how fast you can eliminate your opponents and dominate the entire solar system! ... Play in single player mode, with computer opponents, or multiplayer mode, over the Internet.
http://members.bellatlantic.net/~jme69/SW100.zip - 2Kb - Download - Screenshot

3D Solar Traveler Screensaver
Our award-winning 3D screensaver will impress you by realism of 3D animated space scenes. Fly around our planets, amaze yourself by beauty of our deep space and enjoy lovely background music ! Optional cinematic camera makes you feel greatness of deep space. ... Camera is traveling across whole solar system with detail views on each planet. ... There are also other available options star dust, camera speed you can even set your own MP3 as a custom soundtrack and many more features.
http://www.soft2d.com/graphics_&_m...ensavers/files/traveler_setup.exe - 4Mb - Download - Screenshot

Jupiter 3D Space Tour
Fascinating 3D animated space flight near the largest planet within the solar system - Jupiter. Enormous "gas giant" planet is 315 times more massive than Earth. Jupiter deserve to term it a "failed star", although it would need to be some heavier to become a Second Sun. ... Numerous moons of Jupiter also makes it looks like entire solar system. ... Jupiter is perpetually covered with mighty layer of clouds, and biggest tornados of the Earth are nothing in comparison with giant storms permanently raging on this planet.
http://www.fpsoftlab.com/jupiter3d.exe - 3Mb - Download - Screenshot

Gravitorium Pro
The prime purpose of Gravitorium is to let you play with ideas about gravity and gravitational systems. While it's not intended to be a highly accurate solar system simulator, at low speeds its accuracy is really pretty good. And, best of all, it lets you "play universe maker". ... Or create an entirely new solar system from scratch. ... Throw in a few extra planets, add a black hole, set a comet plunging towards the Earth!
http://www.rightword.com.au/products/gravitorium/GravitPro.zip - 3Mb - Download - Screenshot

Planet Quest
Are we alone? It seems rather unlikely. In the last ten years astronomers have discovered over 150 planets beyond our own solar system. Soon we will know how many of them contain life. And one day there will be more charted planets than you can count. ... Please note that Planet Quest never repeats a scene, and yet does not require advanced graphics hardware. ... Planet Quest is also suitable for laptop users, providing a special "low power" mode when the battery is in use. ... Planet Quest is our artistic vision of what these worlds might look like.
http://www.3dwonders.com/planetquest/planetquestsetup.exe - 1Mb - Download - Screenshot

Planet Uranus 3D Screensaver
Uranus is unique in our solar system because it is tilted 98 degrees. When viewed from Earth, it appears to rotate on its side! At different times throughout its orbit, we can actually view one of the planet's poles head-on. The atmosphere is composed of hydrogen, helium, and methane. ... The temperature in the upper atmosphere is so cold that the methane condenses and forms a thin cloud layer which gives the planet its blue-green appearance. ... Uranus is the farthest planet from Earth that can be seen with the unaided eye but of course this can only happen on a clear, dark night.
http://www.space-screensavers.com/files/planeturanus3d.exe - 2Mb - Download - Screenshot

Chicken Invaders 2
Save the solar system from invading chickens! Just when you thought it was safe to eat chicken again, the chickens have returned with an organized invasion to take over the entire solar system! Journey to each planet and fight your way through to save the world (again)! ... Their master plan now becomes clear: to invade each planet in the solar system and make sure that it is inhabited exclusively by chickens! ... Will you succeed? ... Or will you end up as part of the menu in a galactic chicken restaurant?
http://www.interactionstudios.com/...ckenInvaders2demoInstaller260.exe - 3Mb - Download - Screenshot

Grand Tour 3D
The Distant Suns-Grand Tour 3D screen saver is a high-speed full motion solar-system simulator using OpenGL technology and accelerated graphics. The positions and rotations of each of the planets and their moons are accurate to the current date and time! ... ) As the day progresses you can observe the Great Red Spot of Jupiter as it wheels across the face of the giant planet. ... The constantly changing scenes assure and infinite variety of interplanetary vistas. ... Watch the moons of Saturn in their daily dance around the majestic ringed world or the Earth rotate under your feet.
ftp://ftp.monkeybyte.com/WinOS/ds_ss_install.EXE - 2Mb - Download - Screenshot

StarStrider
StarStrider is a software planetarium that utilizes the latest in 3D-technology in order to show you not only the planets and satellites of our solar system, but also the more than 100 000 stars from the Hipparcos catalogue, all in real-time 3D. You'll also find galaxies, nebulae, supernova... Free add-ons include an larger planet textures, and a huge database of 2 *million* stars! ... Made by an astronomer and a software engineer, StarStrider combines photo realism and scientific accuracy with plain fun and the esthetic enjoyment of beauty of the wonders of the universe!
http://www.starstrider.com/download/stars28.zip - 13Mb - Download - Screenshot