The google doc with various strats, beginner and advanced, that you can use in Free Play RTA. Honestly not unlike a walkthrough in areas because of this. I wrote this myself.

https://docs.google.com/document/d/1QG8fwrqd81QWeBdAiOKalFSmHTSvl8GZue5dFaex9Fk/edit?usp=sharing