There are 56 cards in the deck, and the theme is that of trading world currency. The number of cards used to play varies with the number of players. Game requires at least 3 but may be played with up to 7. The cards include 48 'Capital' cards. 8 each from London, New York, Montreal, Paris, Brussels and Berlin. There are also 7 'rise and fall' cards and 1 'sell' card.The goal of the game is to make a profit at the 'Close of the Market' on whatever currency they hold, which is represented by the 'Capital' cards in their hand. - BoardGameGeek