Doom engine - Limited but still 3D
How DOOM Will Teach You What CS Degrees Miss
RetroAhoy: Doom
Let's Program Doom - Part 1
How four friends invented (modern) FPS games | An idSoftware Documentary Doom, Quake & Wolfenstein
Why Doom is Awesome: Binary Space Partitioning
They Remade Fallout in the Doom Engine & it's INSANE!
How Doom's Melting Screen Works
Build Engine: A Short Lived but Glorious 2.5D Powerhouse
Every Doom Engine Game Ranked From Worst to Best (Including GZDoom)
Evolution of Doom Engine Games 1993-2016
Programming a first person shooter from scratch like it's 1995
The Forgotten 90's Doom Engine Open World RPG - Strife: Veteran Edition
Doom With No Game Engine
Making Quake in Doom!
Doom’s Stair Builders Are Hilariously Broken
This is Doom as a Build Engine Game
You Can Run DOOM On Everything
Camerawork in the Doom Engine
Doom + Doom 2: The Classics Return - But Are Nightdive's Remasters Definitive?