Those are called "tile grid maps", I got the template for the world one here: ht...

		friggeri 29 days ago \| parent \| context \| favorite \| on: Show HN: Ten years of running every day, visualize... Those are called "tile grid maps", I got the template for the world one here: https://policyviz.com/2017/10/12/the-world-tile-grid-map/