Question: What year was id Tech 5 first used in a video game?
Related documents: [0]  [DOC] id Tech 5 is a proprietary game engine released by id Software. It follows its predecessors, id Tech 1, 2, 3 and 4, all of which have subsequently been published under the GNU General Public License. It was seen as a major advancement over id Tech 4. The engine was first demonstrated at the WWDC 2007 by John D. Carmack on an eight-core computer; however, the demo used only a single core with single-threaded OpenGL implementation running on a 512 MB 7000 class Quadro video card.<ref name="http://www.Gaminggroove.com posting"> </ref> id Tech 5 was first used in the video game "Rage", followed by "", "The Evil Within" and "". [END] 
[1]  [DOC] Rage (stylized as RAGE) is a first-person shooter video game developed by id Software, released in October 2011. It was first shown as a tech demo on June 11, 2007, at the Apple Worldwide Developers Conference, and was officially announced on August 2, 2007 at QuakeCon. "Rage" uses id Software's id Tech 5 game engine, and was the final game released by the company under the supervision of founder John Carmack. [END] 
Answer: 
2011
2011