You could have downloaded Gravitation3D 126.96.36.199 from our software library for free. This software is a product of R3 Productions. This PC program can be installed on 32-bit versions of Windows XP/XP Professional/Vista/7/8/10/11. ".g3d" is the extension this PC software can operate with. The most popular version of the program 1.0. Gravitation3D lies within Education Tools, more precisely Science Tools. The program's installer is commonly called Gravitation3D.exe.
From the developer:
Gravitation3D is an OpenGL based shareware program written for Microsoft Windows PCs. It started as a hobby project in July 2002, and quickly I could see from the excitement in friends and colleagues that it would be something worthwhile to share with others. After some more concentrated development work, it was first published on the web April 29th, 2003.
The program provides a way for you to play the creator.
You may want to check out more software, such as SatCalc, MathMatic or MemBrain, which might be similar to Gravitation3D.