I don't know if you're running a different build, but if you are you should switch to the executable from the link. I'm on Windows 10, and it definitely does not work. Here's video of me trying to get through it, holding down-left and holding morph.
Hey, I just deployed a fix! Thank you very much for your detailed report and video, it was very useful. If you encounter any other problems, please let me know (but should be smooth sailing from here)
