Dungeons & Dragons: The Twenty-Sided Tavern is a stage production which combines actual play, improv, and immersive theater as the player cast navigate a Dungeons & Dragons adventure set in the Forgotten Realms. Audience participation ranges from select members joining the cast on stage to browser-based voting software to determine cast actions. The first adventure scenario, Carriers of Chaos, was created by David Carpenter, David Andrew Laws and Sarah Davis Reynolds. The show's second adventure, The Tomb of Havoc, was created by Carpenter and director Michael Fell with additional writing by Conner Marx.