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Popular Steam Guides Written guides, references, and walkthroughs
DN: MP Cheat Codes!
by suburbia
All the in game working cheat codes for the game....
Duke Nukem: Manhattan Project - Codes & Secrets
by Jr786 Neil Watts/Eva Rosalene
This Guide provides Cheat Codes & Secrets for Duke Nukem: Manhattan Project....
Spanish translation! [HA DEJADO DE FUNCIONAR....]
by Ryo
Traducción al español de Duke Nukem: Manhattan Project......