Portal's Biggest Speedrun Skip Just Got Even Faster

Portal speedrunners have found another gamebreaking glitch that allows them to beat the first couple of levels faster than you could ever believe, all without ever seeing any portals! Here's how they do it...

See my other videos about the speedrun history of Portal's vault:
►   • Portal's INSANE Chamber Zero Speedrun Skip   (Radio Launch Strat)
►   • Portal's Biggest Speedrun Skip Finally Dis...   (Original Vault Skip)


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Music used (in order):
FTL: Faster Than Light OST - Colonial Explore
Portal OST - Subject Name Here
Baba Is You OST - Wall is Stop
Paper Mario: The Thousand Year Door OST - Rogueport Sewers
Dustforce OST - It's Not Supposed To Be Snowing
Ducktales (NES) - The Moon Theme

Thanks to hyre and wyrnicus for helping with the video creation process.

This video is not an actual speedrun world record, nor a speedrun tutorial. This video is a showcase of a speedrun strategy that goes in-depth to the various tricks, glitches and bugs that make the strategy possible.