Duke Nukem: Manhattan Project Cheats

Obtain all the nukes and beat the game on the ''Easy'' difficulty setting to get double kicking power.

Obtain all the nukes and beat the game on the ''Normal'' difficulty setting to get the blue shirt, which halves the damage Duke takes.

Obtain all the nukes and beat the game on the ''Hard'' difficulty setting to get the X3000, a lightning gun that tagets enemies by itself.