In this tutorial, you'll learn how to "walk through walls" or WTW for short. This glitch is used to complete the Any% category for Robot 64 (not Legacy% or No WTW)

To start off, head into the Level Creator building. Once you enter, you'll want to navigate over to the Create tab at the top of your screen. From there, select any blocks that can damage your avatar (lava is recommended, especially in Any%). Once you've placed your damage blocks, "test" your level.

This is where the glitch occurs.

You want to lose 3 batteries first. Once you lose the batteries, you want to lose your last battery at a certain time depending on what is damaging you. Basically, you want to press the Pause button right before you lose your last battery. What should happen is you get sent back to the Creator state, AND the gameover screen.

NOTE: If you obtained any ice cream, you will spawn back at the Hub; if you collected no ice creams, you will spawn back at the Tutorial level.

That's the glitch in a nutshell. If you want to see this glitch utilized in a speedrun, check out the Any% Category. I'll also link a video of me performing an Any% run using WTW. If you have any other questions or concerns, join the Roblox Speedrunning Discord and ask a runner in #robot64.