If you want to see the map in 2D, there's a 3D/2D switch in the top left corner of the Overview page (only in the desktop version though )
54 karma · joined December 12, 2022
Actually the camera here is isometric! It doesn't look that way but it is.
And on the backend it's a simple Node.js Express server. Data-wise, I can't share the exact APIs I'm using but they're easily searchable.