Astronomers came up with a cool way to tessellate a sphere called Healpix. The tiles are quadrilateral, though, so they may not have the same freedom as hexagon

Astronomers came up with a cool way to tessellate a sphere called Healpix. The tiles are quadrilateral, though, so they may not have the same freedom as hexagons in the context of a game where players can move to adjacent tiles. https://healpix.jpl.nasa.gov/ https://healpix.jpl.nasa.gov/