From the publisher's website:

In Mombasa, players acquire shares of chartered companies based in Mombasa, Cape Town, Saint-Louis and Cairo and spread their trading posts throughout the African contintent in order to earn the most money. Mombasa is a lavish stategy game that stands out, especially with its innovative card mechanism and its unusual, even inconvenient and challenging setting. The depth and subtle interweaving of unique game elements will appeal to true gamers everywhere.