This page contains links to many Call of Duty: 4 walkthroughs. Call of Duty 4: Modern Warfare is a first-person shooter and the first game in the Call of Duty series set outside of the World War II setting and in modern times.

The story, told from the perspectives of a United States Marine and a British SAS operative, takes place during a fictional near-future war pitting the United States, European countries, and Russian Loyalist allies against Russian Ultranationalists and Middle Eastern rebels, featuring real-world weapons and vehicles. Locations include the Middle East, Azerbaijan, Russia, and Pripyat.