How has that gone over? Did you get interviewers to refuse the question?

Answering puzzle questions when I’m the interviewer seems like slightly embarrasing, but also great fun since you’re not so worried about failure.

Also gives both parties a chance to work together potentially, but with less pressure.

Can you give an example?

To be fair, I never ask "puzzles" as such.

But I do ask things that show if the technical recruiter actually knows what they are talking about.

"What strategy do you use to complete Pull Requests?" There are many ways to answer that question that will show you don't know.

In general, I ask things that make me see if the other person is reasonable, and I can talk to one-to-one, but also that they make conscious decisions and don't just carry around cruft.

This might involve asking "What ORM do you use?", then responding to their answer with "Oh, why didn't you use <other ORM>?".