So here's something I've been very, very bad at self-promoting: http://fractive.io/
Fractive is my open-source tool for writing hypertext games using Markdown!
It's a little bit like Twine, but for people who'd rather just write straight-ahead instead of fussing with the node graph.
@invicticideThat looks really interesting!
One of the first Mastodon instances, there is no specific topic we're into, just enjoy your time!