When we last saw our hero, he was dishing out smoking-barrel justice to some well deserving alien bastards. Meanwhile, Duke Nukem s archrival Proton has been working with elementary particles to develop a new radioactive power source. There s one unfortunate side effect of this substance; it mutates living creatures that it comes into contact with, often with hideous results. After an entire subway car of rush-hour commuters is mutated into a pen of half-human, half-pigeon victims, the government decides to call in Duke Nukem to take out the trash," and stop Proton once and for all.Help Duke Nukem blast his way through New York City to stop Proton and his evil henchmen. This is a collection of sample maps for Duke Nukem: Manhattan Project to help map editors start out.