sentences:  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.id Tech 5 was first used in the video game "Rage", followed by "", "The Evil Within" and "".