I overlooked this adventure for far too long. Now I rate it as one of my favourite 5e adventures so far.
Review: Dungeon of the Mad Mage (and a new ranking)
Make your own megadungeon with Dungeon 23
It's 2023, and many people in the tabletop RPG space have decided to do 'Dungeon 23'. The principle is simple: a 365-room megadungeon, with one room for every day of the year. What a great idea!