InYokohama Duel, you and your opponent are merchants in Yokohama, trying to succeed in your business ventures which will gain you prestige. You need to fulfill various goals, which involving amassing copper, silk, tea and seafood, mastering foreign technology, and building shop houses and trading houses. To achieve these goals, you need to run around the streets of Yokohama and gain benefits from the various districts. Also, it may be a wise strategy to employ foreign agents to your side to aid your cause. It is a contest to decide which player can deploy their subordinates the most successfully to become the best merchant in Yokohama!