Ravenloft was a Tracy and Laura Hickman adventure module and campaign setting for D&D dating back to 1983, and was republished in 2006 for D&D 3.5. Over the years, the setting has inspired numerous expansions and fiction.

Now it’s scheduled to be a board game from WotC, a cooperative game designed by Bill Slavicsek and Mike Mearls for 1-5 players, including scenarios and a retail price of $65. More info at source.