At the Table straight up roning it.
And by "It" haha letsr just say.
Mah jong.

Microscope seems perfect for this. Essentially just improv sordlbuilding/storytelling as a group without the need for a gamemaster like your typical TTRPG. Just create a base idea and rules for a world, then zoom in tell small stories and see where the players creativity takes you.

keep posting you say?
youtu.be/lkkB3G9aIKU

this one is like one third review instead on an essay but I think it still counts:
youtu.be/049fTXv6XFI

Might be a bit dark of a Topic but hey
www.youtube.com/watch?v=U6Ln...