Call of Duty 4: Modern Warfare was released on November 5, 2007, being the first installment of the Call of Duty series set outside of World War II. Call of Duty: Modern Warfare 2 was released on November 10, 2009. Treyarch developed a Nintendo Wii port for Call of Duty 4: Modern Warfare, known as Call of Duty: Modern Warfare Reflex and released it on November 10, 2009.