The IW engine is a game engine created and

developed by Infinity Ward for the Call of Duty series. The 0️⃣ engine was originally based

on id Tech 3. Aside from Infinity Ward, the engine is also used by other Activision

0️⃣ studios working on the series, including primary lead developers Treyarch and

Sledgehammer Games, and support studios like Beenox, High Moon 0️⃣ Studios, and Raven