I have a splitting headache from having just watched a 27 minute long YouTube rapid fire lecture by Venkatesh Rao, given last November at the Autonomous Worlds Assembly in Istanbul (part of DevConnect, a major Ethereum ecosystem event). His latest newsletter “Towards a Metaphysics of Worlds” gives adds some notes and context, and gives a link to its slides. As Rao notes:
“This may seem like a glimpse into a very obscure and nerdy subculture for many (most?) of you, but I think something very important and interesting is brewing in this scene and more people should know about it.”
I would suggest that you to skip the YouTube lecture and cherry pick your way through his slides. Some are very simple and quite striking, clearly presenting interesting ideas about the epistomology, ontology, and definitions of worlds. Here is Slide 11, where what Rao means by "Worlds" is made more clear:
