The first Call of Duty game, titled "Call of Duty," was released on October 29, 2003. It was developed by Infinity Ward and published by Activision. The game was initially focused on the events of World War II and gained popularity for its immersive single-player campaign and intense multiplayer gameplay."Call of Duty" was created by Infinity Ward, a game development studio founded by Vince Zampella and Jason West. The game was designed for Microsoft Windows and later adapted for other platforms. Its release marked a departure from other World War II-themed shooters by incorporating a cinematic and immersive single-player experience, emphasizing teamwork and realistic combat scenarios.
The game's success was attributed to its intense and engaging multiplayer mode, which became a hallmark of the Call of Duty series. The original game introduced iconic features such as killstreak rewards and a focus on objective-based multiplayer gameplay.
Notably, the success of the first Call of Duty laid the foundation for a highly successful and influential franchise that has since expanded to various settings, including modern warfare, the Cold War, and even futuristic scenarios.