B. Travern 🎲I have three words for you: Shopping Mall Megadungeon
They follow best practices of dungeon design:
• Multiple entrances (and mid-point entryway)
• Multiple level connections
• Non-linear asymmetric layouts
• Looping paths
Peter Kisner ≈@btravern
There was an old module for Mutant Future that was in a mall (or smaller shopping center maybe):
The Ruins of Woebrook
http://afieldguidetodoomsday.blogspot.com/2013/03/presentingthe-first-field-guide-to.html
Joe Cooper 🇺🇦 🍉