Id Tech 4

id Tech 4

Doom 3, the id Tech 4 engine's parent game
Developer(s)	id Software
Repository	github.com/id-Software/DOOM-3-BFG
Written in	C++[1]
Platform	Microsoft Windows, OS X, Linux, PlayStation 3, PlayStation 4, Xbox, Xbox 360, Xbox One, Nintendo Switch, Nvidia Shield[2]
Predecessor	id Tech 3
Successor	id Tech 5
License	GNU GPL-3.0-or-later
Website	github.com/id-Software/DOOM-3-BFG

id Tech 4, popularly known as the Doom 3 engine, is a game engine developed by id Software and first used in the video game Doom 3. The engine was designed by John Carmack, who also created previous game engines, such as those for Doom and Quake, which are widely recognized as significant advances in the field. This OpenGL-based game engine has also been used in Quake 4, Prey, Enemy Territory: Quake Wars, Wolfenstein, and Brink. id Tech 4 is licensed under the terms of the GNU General Public License v3.0 or later.