@switchingsoftware @ReverseEagle

#OnlineTown by #Siempre seems like a free-software-compatible (#PublicDomain, so forks can go in any direction - free or non-free) equivalent to the Sococco prison:

https://siemprecollective.com/public.html
https://theonline.town/overview

https://github.com/siemprecollective/online-town-scripts-public-release/blob/master/LICENSE.md - unlicense = PD

Wired says that Online.Town is #FLOSS because it uses WebRTC:
https://www.wired.com/story/zoom-not-cutting-it-virtual-world-online-town/
https://news.ycombinator.com/item?id=22818300

#Calla (MIT 3-clause licence) seems to be a quick hack, similar idea:
https://github.com/capnmidnight/Calla