Yes, it is easy to create a low sized big map with 80:29 ratio if you use drastically less colors on your map. For example, maybe not a big map but stilstill Shiny Stuff darts map had 12 or 16 colors in total. 'cause of that it's only 8.62kb
https://www.tus-wa.com/maps/map-10813/
Similiar thing should be doable for bigger maps.
https://www.tus-wa.com/maps/map-10813/
Similiar thing should be doable for bigger maps.