Blackmoor is the name of a fictional world created by David L. Arneson. It is also the prototype of Dungeons & Dragons, the first published role playing game. Unlike other fantasy worlds, such as J.R.R. Tolkien’s Middle Earth, Blackmoor is a living world that is being explored to this day. Secrets of Blackmoor investigates the origins of the role playing game, through candid interviews, archival footage, and newly discovered artifacts. Also available On Demand to rent or buy.