The Great Game: Houses of the Landsraad is a complete 128-page supplement for Dune - Adventures in the Imperium that expands your campaign away from Arrakis into the vast and deadly Imperium. It offers the opportunity for your House to vie for power among its peers. Politic with your rivals, bring power and wealth to your House, and challenge your position among the most deadly powerbrokers of the Landsraad.