DUNE: CHRONICLES OF THE IMPERIUM is a role-playing game based on Frank Herbert's DUNE novels. The game was originally supposed to be printed by Wizards of the Coast after they purchased the rights from Last Unicorn games. There were only 3000 copies made.
From the back of the book:
Experience the splendor... the danger... the intrigue of DUNE, as you and your friends step into the roles of House Mentats, Swordmasters, Nobles, and Bene Gesserit Sisters in service to one of the Great Houses of the Landsraad. Stride across the scorching sands of Arrakis or finesse your way into an imperial gala on Wallach IX. Smuggle the spice melange to the rich and powerful, or lead your House's forces in a razzia against the Harkonnen oppressors. Endless adventure lies ahead!