Call of Duty 4: Modern Warfare (German: Call of Duty 4: Moderne Kriegsführung) is a Nintendo DS game developed by Treyarch and published by Activision. It is a first-person shooter game that takes place in the near future. The player takes on the role of a British Special Air Service (SAS) soldier in the midst of an escalating battle against a rogue faction of Russian ultranationalists. The game features a variety of weapons, including assault rifles, pistols, and explosives. The missions involve a variety of objectives, such as rescuing hostages, destroying enemy targets, and collecting intelligence. The game also features an online multiplayer mode, allowing players to compete against each other in team-based deathmatches. Call of Duty 4: Modern Warfare (German: Call of Duty 4: Moderne Kriegsführung) is an exciting and intense shooter game that will keep players engaged for hours.