A recreation of DOOM II: Hell On Earth in one level already exists, it's called Memorial and it's been made by Eternal in 2011.
Well, I know that he's not the same author of this one, and maybe the philsophy behind the level connections is little different, but I found that Memorial is a really good and enjoyable WAD.
You can download it from here: Wad-archive.com
ZoltanRedbeard
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