Call of Duty 4: Modern Warfare takes players to a fictional world where a terrorist group, known as Al Qatala, has launched a global attack. The game's campaign follows the story of an American Marine, Soap MacTavish, and his team as they try to stop the terrorists and prevent a global catastrophe. The game's multiplayer mode allows players to engage in various game modes, including Team Deathmatch, Domination, and Search and Destroy.