Great Houses of Calderia is a Feudal Grand Strategy game from Resistance Games. Players manage a noble family's rise to power in the mythical province of Calderia, a land shaped by conflict and ambition. The game emphasizes the management of individual family members, each possessing unique traits, personalities, and evolving personal stories. Success hinges on balancing diplomacy, intrigue, trade, and real-time tactical battles to expand a fiefdom, elevate nobility, and define family traditions.
The core gameplay loop involves appointing family members to crucial roles, considering their personalities and the consequences of their actions. Characters' traits and attitudes shift based on their experiences and the player's decisions. Players engage in critical diplomatic events, such as marriages and peace negotiations, and direct tactical battles. Expanding influence is achieved through a combination of military might, shrewd political maneuvering, and economic prosperity. The game aims to generate unique family sagas through player choices and the management of a growing noble house.