*Call of Duty 4: Modern Warfare* is a first-person shooter developed by Infinity Ward and released in 2007. It marked a major shift in the Call of Duty franchise, moving away from its World War II roots to a more modern, contemporary setting. The game features a gripping campaign that revolves around a conflict involving the Middle East and Russia, with players taking on the roles of British SAS operatives and U.S. Marines. The story involves a fictional Russian ultranationalist faction attempting to gain power, and a rogue Middle Eastern leader who holds a nuclear weapon. **Key Features**: 1. **Modern Setting**: Unlike previous titles in the series, the game is set in the 21st century, with advanced weaponry, tactics, and vehicles. 2. **Multiplayer**: It introduced a deep multiplayer mode, including leveling systems, perks, killstreak rewards, and various game modes, which heavily influenced future online FPS games. 3. **Iconic Moments**: One of the game's standout moments is the "All Ghillied Up" mission, where players sneak through a war-torn area in a stealth-focused mission. 4. **Game Engine**: The game used an advanced version of the IW engine, offering improved graphics, physics, and AI. *Legacy**: Call of Duty 4 is widely regarded as one of the most influential FPS games ever. It helped redefine online multiplayer, and its success played a crucial role in the franchise's rise to global dominance in the years that followed. The game has been re-released as **Call of Duty: Modern Warfare Remastered* in 2016, with updated visuals but retaining the classic gameplay. Are you a fan of the original, or have you played the remastered version?