The excursion funnel crouch fly glitch, discovered on release day, is one of Portal 2's most significant glitches used by world record speedrunners. So, how exactly does it work?

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Music used (in order):
Portal 2 OST The Part Where He Kills You
Portal 2 OST FrankenTurrets
Portal 2 OST Halls of Science 4
Portal 2 OST The Part Where He Kills You
Ducktales (NES) The Moon Theme

Also, if you're REALLY REALLY interested in a SUPER technical explination of the crouch fly glitch, see this writeup by Krzyhau here: https://docs.google.com/document/d/11...

Thanks to @Pr0tal , AttmayMB, Lemmons, and daver12345 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 indepth to the various glitches and bugs that make the strategy possible.

#Speedrun #SpeedrunSchool