Nintendo 's `` Family Friendly '' policy affected the content of Duke Nukem 3D .
`` In-game music was removed due to limited storage capacity and , due to the port 's censorship ( by the Nintendo 's `` '' Family Friendly '' '' policy ) , many items were renamed to avoid drug and sex references , and new lines of dialogue were recorded specifically for this version to remove profanity . ''
Duke Nukem 3D