Btw. the idea of a metaverse is a very old one. I think I first time heard of it in the novel of Neal Stephenson, Snow Crash.

https://wikiless.esmailelbob.xyz//wiki/Snow_Crash?lang=en

Finally, our technology has reached the potential to totally immerse in this. And some web3.0 folks got a hard on the idea due to the capabilities for data harvest.

“VRSpace.org is Web Virtual/Augmented Reality (WebXR) platform.

On the web, ready to use with any WebXR enabled browser, on any device.

Free and open, ready to help you make your own virtual worlds!

Oh, and it's multi-user enabled, so invite your friends over.

And, and it's voice enabled, so you can chat with[…]”

https://www.vrspace.org/

For further reading

https://opensource.com/article/22/1/open-source-metaverse