How Speedrunners Use Lag to Walk Through Walls
Chapter 1

The invisible walls of video games

Chapter 2

Squeezing through the cracks

Chapter 3

Teleporting and warping memory

Chapter 4

The human and machine collaboration

YOUR GOAL

Master of How speedrunners walk through walls

Ch 2 · Squeezing through the cracks
diegoplays

diegoplays Creating lag to slow down physics

Aug 9

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diegoplays Video Game Wall Clipping

One frame I'm here, then I slip right through, No solid wall can stop what I do!

Aug 9

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diegoplays The backward long jump

Aug 9

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The backward long jump

diegoplays Exploiting speed calculations can launch a character through solid barriers.

Aug 9

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Creating lag to slow down physics

diegoplays Intentionally slowing down a game's frame rate makes collision detection less reliable.

Aug 9

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Seam Slider
BETA

diegoplays Slide the runner along wall seams to learn how speedrunners walk through solid walls.

Aug 9

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Fun Fact

Speed limits: Developers of Super Mario 64 capped Mario's forward speed, but forgot to cap his backward speed, enabling backward long jumps.

Aug 9

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Gossip

Best glitch tool?

Aug 9

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Quiz

What is the term for the boundary line where two flat wall polygons meet in a 3D game?

Aug 9

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diegoplays The power of subpixels

Aug 9

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Quiz

Why does Mario's speed increase infinitely during a backward long jump on a staircase?

Aug 9

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diegoplays Slope gliding and angle manipulation

Aug 9

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Quiz

What are the microscopic coordinate units, smaller than a screen pixel, that retro games use to track position?

Aug 9

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Quiz

What mathematical error can occur in a game engine when a player hits a sloped corner at a highly specific angle?

Aug 9

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Quiz

What famous movement exploit in Super Mario 64 allows Mario to build infinite backward speed on stairs?

Aug 9

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Quiz

In which classic 1998 Nintendo game do speedrunners use bomb explosions to lag the console and clip through walls?

Aug 9

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Quiz

What does the game's collision engine calculate to determine how a player slides off a sloped surface?

Aug 9

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Quiz

Why do speedrunners sometimes intentionally cause lag by throwing multiple bombs or spawning objects?

Aug 9