This is cool! I did run into a bug, though: the filter list is too tall for mobile and you can't scroll it.
It's also missing quite a few retro game shops in the Portland, OR area. However, it seems like arcades are pretty well covered; it's just missing a couple in Tigard.
Right now Yelp is still more useful for finding shops in my area, but I really like the idea behind this and I'll keep it in mind.