You can download the Seedit desktop app on https://github.com/plebbit/seedit/releases/latest which runs a full node automatically in the background, so you can run subplebbits. Click on the “create your own community” button, you can see the challenge options at the bottom of the page. Those are just the ones we made settings for, but the protocol supports anything that can be code as challenge.
I still have to write plebbit’s docs, it’s on my todo list, I’ll do it asap
Plebscan