Earlier quoted context omitted.
How does that work if you want to grow your hobby or group? And if it’s something between friends why not use a private whatsapp group or IRC
Speaking for myself, if was a little bigger than 20 members (around 100). The thing is that we wanted to keep the forum open to everyone, at least for the public parts. That's why I went with invisible tweaks (mostly just renaming fields) instead of a challenge. But I could have came up with a challenge that anyone interested in our forum would have known. We were a rhythm games club, so a questions could have been "…
Heck, I've never heard of you lot but I immediately guessed DDR. Man I miss competing with randoms at the arcade in Brisbane city