Clearly, this is a map of the Midwest. But what exactly is it showing us? Localized population densities? A hellmouth opening just south of La Crosse? Warning: The real answer might bug you out.
Furniture dedicated to gaming, like furniture dedicated to beading or sex, allows you to wear your heart on your sleeve. "Oh that? That's a GameDeck/Love Swing/Beading Chair. It helps me game/sex you up/bead." Not much anyone can say after that except "Eww. Why does it smell?"