This required the users to upgrade their PCs, a trend that would repeat itself over the next decade, time and time again. Some of them were the support of a shader system, loading character models in three parts for more flexible animations, and last but not least, a hardware accelarated renderer. id Tech 3 introduced some state-of-the-art features back when it was developed. Id Tech 3 originally debuted with Quake III: Arena and was further extended and enhanced during the developments of Quake III: Team Arena and Heavy Metal F.A.K.K.
Successor id Tech 4 was derived from id Tech 3. While id Tech 3 is based on id Tech 2 a large portion of the code was rewritten. Jedi Knight is one of those game that using the Id Tech 3 engine for the graphic. Quake 3 Arena is one of first game featuring Id Tech 3 Engine.
