The virtual tabletop format allows you to play with a geographically disperse group of players through the use of a shared online tabletop, allowing the dungeon master to display to each player what she wants them to see, and allows players to manipulate their tokens and roll dice virtually. While available in book form, Roll20 brings this campaign into the 21st century providing all the materials in virtual tabletop form. Curse of Strahdis a D&D campaign produced by Wizards of the Coast that will take you on a new but nostalgic journey back into the ever popular Castle Ravenloft. With the introduction of D&D’s Curse of Strahdon Roll20, they continue their trend of bringing high-quality content to the virtual tabletop.