Het Rotterdamse Roleplayers Gilde

Together, Yet Separate. In order to have up to four different tables playing this adventure simultaneously, each group of adventurers enters the dungeon in a different location. There are four different areas an adventuring group can use for access. The heroes must find idols that give them access, conquer the local monsters and guardians, all while assiduously avoiding the dracolich as it pursues intruders. It's an unusual and innovative approach to adventuring.
How's it work? Judging by post-game-day reports? Superbly. The convention organizer moves about, threatening adventurers when the dracolich tracks them down; tables briefly come together and then separate, exchanging resources and coordinating plans; and, in the role of the sage who organized the assault, offering limited advice.
Interestingly, the scenario works equally well as a single-party experience, although some of the novelty is lost. But this is how most groups at home will experience the adventure, I expect. There's some comfort in that the adventure is stated to be lethal; should a group fall, their new heroes can come in from a different approach.