What's in your stocking? It's the 15th Annual QT3 Secret Santa Gift Exchange

Ah here’s the link to the most recent installment of the narrator and Gregory, wherein @ankamela sends a puzzle box full of mysteries:

And it contains links back to stories prompted by @rowe33 and @CraigM in previous years. I’m posting this here so I can find it again next year!

Edit: Link to the first mention of Gregory: