It has no name because everyone who entered it died before they could publish one. Adventurers who survive to the lower floors report the dungeon reacting to them — opening new passages, sealing old ones, moving treasure. Something in there is playing a game. The party descends to figure out the rules before they lose by default.
Play this campaign right now with an AI Dungeon Master that narrates the world, voices every NPC, remembers your whole story, and asks for the rolls — solo or with friends.