Freeciv is a Free and Open Source empire-building strategy game inspired by the history of human civilization. The game commences in prehistory...

Anim8or is a 3D modeling and character animation program. Here's an entertaining tutorial on animating a walk cycle. All items are free to view,...

A squad-based tactical strategy game. All you need to play UFO Alien Invasion is a computer running Microsoft Windows or a supported version of...

Orbiter is a free and realistic space flight simulation program for the Windows PC. Orbiter gives you an idea what space flight really feels like....

Although it is optimized for 3D astronomical visualization, Celestia can be used to display and explore other 3D environments, too. The free...

Stellarium is a free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye,...