Game and/or World Design

"Designing Virtual Worlds". Richard Bartle. 2003.

"On Virtual Economies". Edward Castronova. 2002.

https://forhinhexes.blogspot.com/

https://frozenfractal.com/blog

https://heredragonsabound.blogspot.com/

https://leatherbee.org/

https://thingonitsown.blogspot.com/

https://undiscoveredworlds.blogspot.com/

https://worldbuildingpasta.blogspot.com/p/blog-page.html

https://www.madelinejameswrites.com/worldbuilding-guide

https://github.com/JonathanCRH/Undiscovered_Worlds_Classic