This is a cool idea - and I feel like a lot of intended short modules benefit from a ticking clock. I think any critiques of the module I may have originate in the fact that there isn't enough space in this format. I'd like to see the descriptions of the locations expanded quite a bit, but in four pages that would have to be done at the expense of the card-draw mechanics. Ultimately, I am glad you included both! It was a bold choice to design crawling rules for a system neutral module, and I applaud it.