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Everything In DOOM Is A Lie | The Genius Behind The Legend
Summer Living Starts with FlexiSpot – [https://go.flexispot.co.uk/ncot_tech-deals]
Get £170 off the E7 Pro Standing Desk Now – [https://go.flexispot.co.uk/ncot_tech-e7pro]
DOOM ran on a 386 with 4MB of RAM and convinced an entire generation they were
walking through actual 3D world. They weren't. It was an elaborate trick designed to squeeze the most from a CPU designed for boring business tasks.
Every corridor, every monster, every firefight — all of it built on a stack of
deliberate lies. We dig into the actual Doom source code to expose six of them:
how the world is secretly 2D, why you can never look up, why cacodemons are
effectively infinitely tall cylinders, and why the physics engine is beautiful
nonsense held together with genius and barely-controlled desperation.
This isn't a hit piece. The constraints didn't hold Doom back — they defined it.
📖 Chapters:
0:00 — Introduction: Running Doom on a toaster (the 386 problem)
2:17 — Lie #1: The world isn't actually 3D (2.5D maps and BSP trees)
7:18 — Lie #2: You can't look up or down (y-shearing and auto-aim)
10:44 — Lie #3: Floating enemies are infinitely tall cylinders
16:19 — Lie #4: Every monster is a 2D cardboard cutout (8-angle sprites)
17:43 — Lie #5: Monster AI is beautifully, brilliantly stupid
21:06 — Lie #6: The game runs at a simulated 35fps
22:43 — Why the constraints made Doom great
“Music by Karl Casey @ White Bat Audio”
This video contains unpaid product placement from FlexiSpot.
View all episodes
By Summer Living Starts with FlexiSpot – [https://go.flexispot.co.uk/ncot_tech-deals]
Get £170 off the E7 Pro Standing Desk Now – [https://go.flexispot.co.uk/ncot_tech-e7pro]
DOOM ran on a 386 with 4MB of RAM and convinced an entire generation they were
walking through actual 3D world. They weren't. It was an elaborate trick designed to squeeze the most from a CPU designed for boring business tasks.
Every corridor, every monster, every firefight — all of it built on a stack of
deliberate lies. We dig into the actual Doom source code to expose six of them:
how the world is secretly 2D, why you can never look up, why cacodemons are
effectively infinitely tall cylinders, and why the physics engine is beautiful
nonsense held together with genius and barely-controlled desperation.
This isn't a hit piece. The constraints didn't hold Doom back — they defined it.
📖 Chapters:
0:00 — Introduction: Running Doom on a toaster (the 386 problem)
2:17 — Lie #1: The world isn't actually 3D (2.5D maps and BSP trees)
7:18 — Lie #2: You can't look up or down (y-shearing and auto-aim)
10:44 — Lie #3: Floating enemies are infinitely tall cylinders
16:19 — Lie #4: Every monster is a 2D cardboard cutout (8-angle sprites)
17:43 — Lie #5: Monster AI is beautifully, brilliantly stupid
21:06 — Lie #6: The game runs at a simulated 35fps
22:43 — Why the constraints made Doom great
“Music by Karl Casey @ White Bat Audio”
This video contains unpaid product placement from FlexiSpot.