Call of Duty 4: Modern Warfare is a first-person shooter set in a contemporary conflict involving a fictional Middle Eastern country and Russian ultranationalists. Players follow a narrative-driven campaign with missions ranging from urban combat to covert operations. The game features a variety of modern weapons and tactical gear, along with a robust multiplayer mode that includes various game types and customization options. Known for its cinematic storytelling, engaging gameplay, and influential multiplayer experience, Modern Warfare revolutionized the first-person shooter genre.