The Doom 3 source-code -- based upon the id Tech 4 engine -- is now available as open-source software to the gaming community under the GNU GPL license.
Pushed
onto GitHub is the Doom 3 source-code. This comes after
John Carmack had to work-around Carmack's Reverse due to legal issues. The source drop is
right in line with what we were expecting.
More details to come soon on the open-source drop of Doom 3, which will hopefully spark a new wave of more impressive free software games.