Hollow Knight is a great example for TTRPG dungeon masters on how to build a compelling setting.
Hollow Knight’s Structure is a Lesson in Quality Dungeon Design
Improvising a Megadungeon: Experimenting with Dungeon World’s Perilous Wilds Expansion
Can you make up a multilevel dungeon on the fly? Guess I'll find out!
Playing with Campaign Structure
I pitch some half-formed campaign ideas for your enjoyment.
Adventure Rules 