https://www.youtube.com/watch?v=QnNm83tS9rU Apparently, this is the NZ only, early access mobile spin off called Mighty Doom, which is a top down game and it looks like your typical grindy "service" mobile game based off an established IP. Either way, i still wonder if it could have a bit of interesting features to make it a bit more than what it is right now (And if id doesn't plan on killing it, specially with regards of Carmack's mindset with games' longevity and the state of other mobile id games).
https://www.youtube.com/watch?v=3ZqXZNd4IXg UnrealRPG V1.71 apparently for GZDoom or LZDoom.
https://www.youtube.com/watch?v=VXRq_rIu3K0 Someone's 13 min video of no clipping through Super Gore Nest to find stuff.
https://www.youtube.com/watch?v=7oszFKdu2BE The Tyrant and some stuff (Like an updated dash system) recreated in SnapMap.
https://www.youtube.com/watch?v=-Mym0O5FU3o AirSoft double barreled shotgung based off Eternal's SSG.
https://www.youtube.com/watch?v=ODLerhQF8i4 Embers of Armageddon played on a mapset recreating Hell on Earth.
https://www.youtube.com/watch?v=PUewAkt6BGw The same map but played on someone's phone and with different mods.
https://www.youtube.com/watch?v=8jPPHxAYWwQ Just a series of unused voice lines of Doomguy in Eternal, then ones that actually were used.
https://www.youtube.com/watch?v=a89yRqqK1T8 Someone's custom computer themed after Doom 3.
https://www.youtube.com/watch?v=H-lle45kOsY Someone's footage of a map from NoYe, which seems to be a very odd wad.
https://www.youtube.com/watch?v=-JLkHNAxSCk Just a neat track from Eviternity.
https://www.youtube.com/watch?v=u0D6bV1ec4w TNT song metal remaster.
https://www.youtube.com/watch?v=zdeKA-QQEq0 Seems to be footage of Slayer's Testament (Quake mod) with the Doom Hunter.
https://www.youtube.com/watch?v=cLohb16njXk Custom wads by developers of id Software (Not just Romero but also American McGee and Tim Willits).
https://www.youtube.com/watch?v=eqDYOEDFVVw Cacodemon showcase in Kar En Tuk.
https://www.youtube.com/watch?v=3u0ETNI61h8 All of Doom's sound effects, reversed.
https://www.youtube.com/watch?v=RXGtCjdwwe8 Apparently, there is a lost episode of DWANGO.
https://www.youtube.com/watch?v=we-LOXy82ms Cultist Base Master Level with ai_haste 2.
https://www.youtube.com/watch?v=0agE2wQX48I NoYe Map35: Revball UV Max/Pacifist in 2:54 (The player here literally "farms" a series of homing missiles and uses them throughout the level.
https://www.doomworld.com/forum/topic/67168-crispy-doom-5100-update-jan-12-2021/ Crispy Doom 5.10.0 released
https://www.doomworld.com/forum/topic/112333-this-is-woof-310-jan-08-2021-updated-winmbf/ Woof version 3.1.0 released
https://heckscaper.com/tt/ Hackscaper releases TIME TRIPPER: "A freewheeling first-person action-adventure-STG that runs on the GZDoom engine."
https://twitter.com/philnemba/status/1350474258070335580 "The 128 kb mapping extragavanza "challenge".
https://twitter.com/Combine_Kegan/status/1350461096390393857 One of the upcoming help screens in Combined Arms.
https://twitter.com/Combine_Kegan/status/1350784434354622464 Video of CA's menus.
https://twitter.com/majorarlene/status/1350450768579604482 Fancy blue room screenshot.
https://twitter.com/Shorted_Fuse/status/1350601620338434049 Backwoods demo seems to have been released.
https://twitter.com/BoJustBo1/status/1350216987876728833 Pixel fanart of the Gargoyle.
https://twitter.com/Scumhead1/status/1350087986201862146 Video clip of a clock/machinery-related location (This might be Vomitoreum).
https://twitter.com/SuppliceGame/status/1350550431882240001 Industrial room in Supplice.
https://twitter.com/zanieon/status/1350531232224968709 Impressive level transition in what i assume is Hunter's Moon.
https://twitter.com/SlappyCromwell/status/1350530116074549248 Asking the real questions: Why don't Imps wear pants?
https://twitter.com/SlappyCromwell/status/1350524654654533634 A few silly nicknames for Imps that never caught on.
https://twitter.com/sgtcrispy/status/1350280848491294724 This is Quake but it's a neat looking room.
https://twitter.com/kinsie/status/1350311002672230402 A screenshot of Time Tripper.
https://twitter.com/Scumhead1/status/1350046275589160968 Screenshots of Vomitoreum.
https://twitter.com/scwiba/status/1349420262236815360 I assume this is for a future update of Doom 64 mapset The UnMaking.
https://twitter.com/mistyfireblu/status/1349865980722348037 Screenshots of purple sky, wood world.
https://twitter.com/Aquila_Chrystos/status/1349961391034273793 A dark looking area, one of the screenshots has an upside down location.
https://twitter.com/SuperUltra64/status/1349021133513883657 Just another video of TTLand.
https://twitter.com/GavinEdgington/status/1349085648972603394 Someone made a map for a skate mod for Quake.
https://twitter.com/Scumhead1/status/1349117510017183745 Vomitoreum stuff, seems to be NPC quest stuff.
https://twitter.com/brullov_art/status/1348991505520844800 Someone's level for Duke 3D.
https://twitter.com/kinsie/status/1349282977365151748 Frankenstein's Monster themed HUD portraits for Reelism 2.
https://twitter.com/kinsie/status/1349282971803475969 Because apparently, due to that magic dice, you can turn into Frankenstein's monster in the mod.
https://twitter.com/BuildEnginePics/status/1349075789845827588 That bike scene from Duke 3D mod based off Duke Nukem Forever's older versions.
https://twitter.com/Batandy_/status/1349380216402157572 Batandy's portfolio tweet.
https://twitter.com/markiemusicpro/status/1349358450128556032 Just some Quake mapping progress screenshots.
https://twitter.com/2007Hellbabe/status/1349402819426660352 Ardat's fanart of FPS games, including Eternal's Gladiator.
https://twitter.com/zanieon/status/1349405968468213765 Hunter's Moon skybox stuff.
https://twitter.com/BafuBal/status/1349458315005276162 Quake map that apparently was saved from being scrapped.
https://twitter.com/Aquila_Chrystos/status/1349465988568375296 Screenshots of a dark map, one of them seems to use a recolor of FIREBLU with green and black.
https://twitter.com/Basinga9/status/1349489714286514181 This drawing is technically Doom related.
https://wadbot.tumblr.com/post/640251531306876928/x8a7wad-x8a7wad-e1m9-96-1184-0-author Tumblr blog that posts random wads once a day, apparently.
https://twitter.com/CreeperOfSteam/status/1349352964763381760 Daisy in Brutal Doom (According to Craneo, his computer has problems, so the Eternal spriteset might take time).
https://twitter.com/call_kaito/status/1349661240759525377 "Just a dark citadel on a floating island, nothing to see here".
https://twitter.com/RageSquid/status/1349682739809824768 E1M1 Hangar in Descenders.
https://twitter.com/BuildEnginePics/status/1349726108858544133 Build engine stuff but this is a prototype of Shadow Warrior.
https://twitter.com/RottKing/status/1349893985888825348 Some liminal meme room recreated in Heretic.
https://twitter.com/scwiba/status/1349778572119072768 "More color", Doom 64 stuff.
https://twitter.com/DanielWienerson/status/1349549482052968449 Duke stuff, i know but still.
https://twitter.com/Combine_Kegan/status/1350073261980176389 Alt fire stuff in Combined Arms.
https://twitter.com/PlaySelaco/status/1350088213591949313 Pathfinder Memorial Hospital in Selaco.
https://twitter.com/Scumhead1/status/1349974229718953985 Some area in Vomitoreum.
https://twitter.com/ChrisHoldenDev/status/1348500791166963712 More Quake stuff because i thought this area looked kinda neat.
https://twitter.com/hedondev/status/1347988904884973568 Green slime cave in Hedon.
https://twitter.com/MattFright/status/1348175390993477632 Tech base areas.
https://twitter.com/Nickireda/status/1348376518670626824 Wolfenstein 3D x Super Monkey Ball.
https://twitter.com/doomwiki/status/1348522647836098562 Tweet about the Internet Archive hosting game manuals, even those of Doom console ports.
https://twitter.com/Scumhead1/status/1348195874250260484 Boss stuff in Vomitoreum.
https://twitter.com/Sgt_Shivers_/status/1348535523824963584 EGA Palette DOS themed total conversion for Doom.
https://twitter.com/ModDB/status/1344455734126387200 That one videogame museum recreation in Doom form.
https://twitter.com/revenatn/status/1331553848146726912 A piano literally falls on top of an Imp: Seems to be a Spy vs Spy themed mod.
https://twitter.com/GunsNotRight/status/1348673928714203139 One of Wolf 3D ports had a different pistol, similar to the one from Doom.
https://twitter.com/pixel_axel/status/1348677974342688769 Doomguy fanart, with chaingun.
https://twitter.com/AjWehrmann/status/1348746844587913227 Twisted Tea Doom.
https://twitter.com/BoJustBo1/status/1348666618067488773 Prowler pixel art.
https://twitter.com/Batandy_/status/1348928011647803393 Description system for trophies in GS3.
https://twitter.com/TheMFG38/status/1347876951785156608 Someone's set of speedmaps.
https://twitter.com/markiemusicpro/status/1347728684627632128 Doom texture WOOD5 recreated with Quake assets.
https://twitter.com/Scumhead1/status/1347649614464237568 New enemy in Vomitoreum.
https://twitter.com/iAgent_Ash/status/1347683047005683715 Rifle in PainKiller themed mod.
https://twitter.com/Mistress_Remi/status/1347438321593704453 A mapset consisting of test textures.
A bit too much, maybe next time i should back up info ahead before i make posts like these.
Edit:
https://bertiebutts.tumblr.com/post/640219282690670592/the-demons-they-are-everywhere-must-kill There's also this Doom fanart, from someone that did more Doom stuff.