Call of Duty 4: Modern Warfare is a Military-themed, First-person Shooter, Single and Multiplayer video game created by Infinity Ward and published by Activision. It is the 4th title in the series of Call of Duty and takes place in the World War II settings. The story starts in the year 2011, where a leader has executed the unnamed country’s president in the Middle East, and the movement of ultranationalist ignites the civil war in Russia. The conflict takes place in different locations such as the Middle East, Russia, Azerbaijan, and more. The multiplayer campaign introduces various game features and consists of the leveling system that enables the player to unlock further weapons, attachments, etc. to advance to the match. There are six playable characters, and the player can select one of them to get into the world where he has accomplished a variety of missions, in which he must kill enemies, save innocents and more. The player as the soldier has equipped with lots of weapons like a rifle, pistol, grenades, etc. that he can use to kill enemies and also can use melee combat. With improved mechanics, gameplay, graphics and soundtracks, Call of Duty 4: Modern Warfare is the best game to play and enjoy for those players who love playing military-based video games.