9th June 2016, 11:42 AM
It's actually more of a followup to Doom 64, from what I've seen. Doom 64 being a Midway-made sequel to Doom 1 and 2, rather than just a port. In the ending of that game, the marine stays in hell to make sure demons don't start anything again, which fits in with the beginning of the new game, where a marine wakes up from being stuck in some hell casket.
"On two occasions, I have been asked [by members of Parliament], 'Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out?' I am not able to rightly apprehend the kind of confusion of ideas that could provoke such a question." ~ Charles Babbage (1791-1871)