"The Doctor Who Cloned Me" is Duke Nukem Forever's new single-player campaign


A new single-player campaign add-on is coming to Duke Nukem Forever in the form of "The Doctor Who Cloned Me," developer Gearbox Software revealed today.

The add-on takes place in Area 51, where Duke must end Dr. Proton's evil intentions. Duke will have to fight off evil clones, alien queens, and "anything else that comes in his way in order to save the world and his babes." The single-player content also includes new weapons, new interactive items, and new Achievements and Trophies.

Lastly, the add-on packs four new multiplayer maps: Sky High, Command, Drop Zone, and Biohazard.

"The Doctor Who Cloned Me" releases on December 13 for the Xbox 360, PlayStation 3, and PC for $9.99