Call of Duty 4: Modern Warfare is a first-person shooter released for Xbox 360, marking a departure from earlier entries in the series. It features a cinematic narrative with interconnected storylines, primarily following Sergeant Paul Jackson of the U.S. Marine Corps and Sergeant John "Soap" MacTavish of the British SAS. The game emphasizes modern warfare and tactical gameplay.
Call of Duty 4: Modern Warfare differs from previous installments of the Call of Duty series. Previous Call of Duty games have a distinct three country-specific campaign style, while Call of Duty 4 has a more film-like plot with interlaced story lines from the perspectives of Sgt. Paul Jackson of the Marines 1st Force Recon and Sgt. 'Soap' MacTavish of the British 22nd SAS Regiment.