id Tech 3 is the name of the game engine used in Call of Duty and Call of Duty: Classic by Infinity Ward. It is the game engine the IW engine is based off of. As it was originally created by Id Software since December 2, 1999, it was popularly know for it's usage on Quake III Arena.
Games[]
- Call of Duty (2003)
- Call of Duty: Classic (2009)