9 Call of Duty 4: Modern Warfare

Call of Duty games are an annual fixture, but few have been as gamechanging as the original Modern Warfare, transposing the military FPS from its WWII setting to a modern era that also took in urban combat. With an explosive single-player campaign and a multiplayer progression system that set the standard for online shooters, it’s still remembered as a massive hit for Xbox Live. Xbox 360 / 2007