ID software has this tradition of releasing the source code of old software. They make excellent 3D FPS games. Remember Quake? That's theirs. Their source code of Doom3 is on GitHub (GPL) and it's a valuable resource for anyone who wants to get their hands dirty with game programming.
Here are some reviews of the code: 1. http://kotaku.com/5975610/the-exceptional-beauty-of-doom-3s-source-code 2. http://fabiensanglard.net/doom3/index.php Source code: https://github.com/TTimo/doom3.gpl -- Y _______________________________________________ ILUGC Mailing List: http://www.ae.iitm.ac.in/mailman/listinfo/ilugc