Just keeping these in case there's a reason to reference the old guides later. Guides included in this post are not or have not been maintained in some time. To learn the run, please refer to one of the actively maintained guides.

Any% Normal A: https://docs.google.com/document/d/19fUAj4H1mGxUVRVL_Y98AE-1suHDq5qzCFitXdLjZKQ/edit?usp=sharing

Any% Normal E by Lexicona: https://docs.google.com/document/d/1_2zhoTTUSG2JPPBdZe4K6-H8sdxtebUOIB3xhS-5wmc/edit?usp=sharing

A-Z Normal by Remetsu/ShabuShabu: https://docs.google.com/document/d/1BZ63kAkkRoLvjF6uznTmku76C6nkxsniWBRt7KOy1LA/edit?usp=sharing

NG (A)ny% skip difficulty/ timesave by MarbleSodas: https://docs.google.com/spreadsheets/d/17LxwGs6gspi1v8UAjXoVVBSa5m0uHuv_xK8v8Vt3O8A/edit#gid=0

Removed speedrun.com guides are kept here: https://docs.google.com/document/d/1gtW28VXfO5do06XbmpzG-VVkaTlCrCPphkijqr9nLMg/edit?usp=sharing