Duke Nukem Forever: The Doctor Who Cloned Me is an exhilarating expansion that enhances the original game with a thrilling new single-player campaign and exciting multiplayer maps. Players step into the shoes of Duke as he battles evil clones and alien queens in Area 51, armed with a variety of new weapons and facing off against fresh enemy types and bosses. This add-on also introduces interactive items that add depth to the gameplay experience.

In addition to the single-player content, this expansion features four diverse multiplayer maps, including Sky-High, Command, Drop Zone, and Biohazard. Each map is designed for dynamic combat with unique environments, offering various combat scenarios from rooftop battles to intricate indoor layouts. The maps support all retail game modes, ensuring players can enjoy a robust multiplayer experience alongside the new content.