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id Tech 5 is a game engine under development by id Software. It is the latest proprietary game...

id Tech 5 is a game engine under development by id Software. It is the latest proprietary game engine developed by id Software, and follows its predecessors, id Tech 1, 2, 3 and 4. The engine was first demonstrated at the WWDC 2007 by John D. Carmack on an eight-core Apple Macintosh computer; however, the demo only used a single core with single-threaded OpenGL implementation running on a 512 MB 7000 class Quadro video card. The technology is still in the development stage, although licensing of the engine has begun. Two games utilizing the engine, Rage, and Doom 4, have been announced. The engine was first shown privately to an audience of potential licensees at E3 2007. The first public demonstration took place at QuakeCon in the same year during the annual keynote held by John Carmack. The game engine is being used in id's upcoming games, Doom 4 and Rage. An interview with John Carmack, the lead graphics engine developer at id, indicated that like its predecessors, id Tech 5 will eventually be released as open source. The move to open source will likely come many years after id Tech 5's release as a proprietary engine. At QuakeCon 2007, Carmack told LinuxGames that he would