I've been working on a guide/walkthrough for Joker based on the current WR run, and I'm happy enough with it to share with all of you! :D

https://docs.google.com/document/d/13T7DRbNxtN3ZMcY2Hp1r8C7_YnlXa6kp6BTQbacIqjU/edit?usp=sharing

I'll keep tweaking it as I learn about the game more, but for now I hope this helps you and gets more people running the game :D