From the Publisher / Developer Website In Schacht's Web of Power games you battle opponents across a landscape of 12th century Europe, trying to influence the great powers that rule the Dark Ages. The Duel Card Game depicts that conflict using a set of tiles that players will claim over the course of a game. By tactically placing ownership markers and taking tiles, you will achieve the majority control required to influence the countries and powers of Europe. Based on the tabletop game, Richelieu.