Doom 3 BFG Edition source code released
id Software has released Doom 3: BFG Edition’s source code to GitHub under the GNU General Public License. Doom 3 is a first-person science fiction horror video game developed by id Software and published by Activision. An expanded and improved BFG Edition was released in the fourth quarter of 2012.The source release does not contain any game data.
Download Doom 3: BFG Edition source code