Biashara is a fantasy role-playing game inspired by medieval African cultures. In this alternative universe, Dihya Al Kahina has not opted for a scorched-earth strategy to defend the Maghreb. Instead, she turned to the monarchs of West Africa for help. With their support, the Umayyad Caliphate was repelled, limiting its African expansion to the territories of Byzantine Egypt.

This victory of the African kingdoms led to a decline in the Mediterranean influence of the Byzantine and Sassanid empires, causing upheavals in political, economic and social dynamics. As the Silk Roads spread across the land and Mediterranean trade revived, the powerful competed to secure the lion's share of wealth. New alliances are formed and broken between African monarchs, but also with outside powers, in a constant quest for control and influence.
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In this society, where clans specialize in one or more fields, players must work to strengthen their family's prestige. These families, grouped into clans or tribes, are organized around a totem, representing their identity, divine protection and vocation. Within a clan, families share the same totem, while in a tribe, each family has its own. As a family's prestige grows, so does its influence and decision-making role, making this quest central to its longevity and domination.