I just noted your doom-e1m1 level there, it's funny, cause I saw someone remake e1m1 in UE4 a couple days ago, and it looks so so bad:
http://www.pcgamer.com/the-first-doom-level-has-been-recreated-in-unreal-engine-4/
I told my friend that I can make that shit in Q1 and have it look 10 times better and now I see you did just that =)
The only reason why I shun that remake so much is because it has gotten so much attention around the net and it just strengthens my belief that gen-pop don't understand quality, especially in older games, using old tech.
These Unreal-remakes get's way to much attention, it's not like that Kakariko village level looked any good either, but this guys seems to think so:
https://i.ytimg.com/vi/SOsQ3288SzI/maxresdefault.jpg
Sorry, 0750-hours, before heading to work in a cold Stockholm, rant =D