Founded in 1996, Treyarch, an Activision studio, is one of the most accomplished developers in the game industry, having released over 20 titles. In 2004, after completing Call of Duty: United Offensive, Gray Matter Interactive, who also developed Return to Castle Wolfenstein, joined forces with Treyarch. Treyarch is currently shipping the Call of Duty: World at War, Quantum of Solace, and Spiderman: Web of Shadows video games.
The Treyarch NGL is the engine made by Treyarch for the game Call of Duty 3. It is based off of the idEngine that previous Call of Duty games have used...