IW Engine is a graphic engine developed by Infinity Ward and used in the Call of Duty video game series. Based on the id Tech 3 engine, it has evolved over the years to offer improvements in graphics, physics, and artificial intelligence. IW Engine is known for its ability to render dynamic environments and its optimization on consoles and PC. Its use in high-performance games has made this engine a reference in the gaming industry, providing immersive experiences and fluid game mechanics.