Sigil II, a brand-new unofficial 6th episode for Doom by John Romero, coming December 10th

On December 10th, the Doom franchise will be celebrating its 30th anniversary, marking its debut all the way back in 1993 with the first game, and to celebrate the occasion, John Romero, one of the legendary developers for the original Doom and Doom II, has been working on a follow-up sequel for

Sigil (Video Game) - TV Tropes

SIGIL - Unofficial 5th Episode for Original DOOM by John Romero, [H]ard

Unofficial Sixth 'Doom' Episode 'Sigil II' Now Available for Free From John Romero - IMDb

John Romero takes you back to hell with new Sigil II Doom mod, pre-orders open at €6.66

John Romero Is Still Working On Yet Another Unofficial Doom Episode - GameSpot

DOOM Repository, I give it a spin to Lullaby wad and I going to say, the environments look absolutely breathtaking

Nods to Mods Interviews SIGIL's John Romero

Bethesda adds quick saves, 60 FPS, more to Doom, Doom 2

First map of John Romero´s 2019 SIGIL WAD ported to Snes Doom