As will be seen, Doom changed quite a bit from this original plan -- almost nothing found within these 16 sections made it to the full game. Nevertheless, it's an interesting read -- and explains more than a few mysteries about Doom's features.
This document is not owned nor copyrighted by Doomworld/moddb in any way. It is as close of a transcription of the original document to HTML as possible. Any cool ideas -- or blatant errors -- found within are either the result of the original author, Tom Hall, or the transciptor, John Romero.