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
Sevens (card game) card game called "Domino", which is essentially the same as Sevens except that the player to the dealer's left leads, and may lead a card of any rank. Subsequent players may then build on that suit or start a new suit with a card of the same rank as that originally led. The equivalent of Sevens is usually known as "Karten-Domino" ("Card Domino"), may be played with a 32- or 52-card pack and any Eight or Jack (Unters) may be used to start off. Another similar game called "Elfer Raus!" ("elevens out!") is played with custom cards depicting the numbers