Many of the contemporary adaptations of Rummy are based on the original models. Gin Rummy, which gained popularity in the early 20th century, is thesatta upgame most well-known variation. The goal of Gin Rummy is for two players to create sequences of three or more cards in the same suit or melds of three or more cards of the same rank. Players attempt to "knock" when they think their opponent has a higher total value of unmatched cards than they do.
