In this GT segment, “legendary coder John Carmack continues his walkthrough on one of the most powerful gaming engines of all time: Tech 5.” Videos after the break.

It was demonstrated for the first time at the WWDC 2007 by John Carmack on an eight-core Apple Macintosh computer; however, the demo only utilized a single core and a single-threaded OpenGL implementation running on a 512 MB 7000 class Quadro video card. The engine is completely cross-platform, which means that there is no need to change anything in the engine code when switching platform

Developer Walkthrough

Bonus