Card game or for card placement), while board games (the principal non-card game genre to use cards) generally focus on the players' positions on the board, and use the cards for some secondary purpose. A card game is played with a "deck" or "pack" of playing cards which are identical in size and shape. Each card has two sides, the "face" and the "back". Normally the backs of the cards are indistinguishable. The faces of the cards may all be unique, or there can be duplicates. The composition of a deck is known to each player. In some cases several decks are
Mariage (card game) also a close relative but features a number of peculiarities, has spawned numerous variants, and is played with 36 cards. The popular South Asian card games "Twenty-eight" and "Twenty-nine" are derivatives of this family and share many of its characteristics. The earliest known games of this family were two-handed, such as "klaberjass" (also known as "bela") which is still played worldwide. Royal Marriage, a solitaire game in which the goal is also the union of a King and Queen Mariage (card game) The King–Queen card games, also known as the marriage group, are a family of point-trick games of which