Inverse world is a Dungeon World supplement with this setting : The sun is below your feet, and the skies are a rock sphere protecting you from space. There’s whole jobs dedicated to saving people who accidentaly fell, a religion about the sun, secrets everywhere, a sea of cloud. A lot of really good fantasy elements put in an interesting fashion.
I played there for 2 month now and it’s really fun to explore it with the players, so I figured I’d share some love.