Find One Deck (poker, chess, checkers, dominoes) Playing Cards by Cartesian Cards and over 2000 other decks, at X-decks ! We ship all our standard size decks in one of our free plastic deck protectors for their safety and your peace of mind! Have a collection you?d like to sell? X-decks is interested! So many games in one clever little square deck of cards. Playing cards, chess, dominoes, checkers, backgammon and more. The usual 52 cards of a standard deck, but as well as regular playing card markings, the cards have multiple symbols allowing for all the different games. And the dark back of the cards can be used to make the chequered playing board itself! Each card has clear simple markings on it that let you play cards, chess, dominoes, checkers/draughts, backgammon and many other games with them. In each corner there are standard markings for playing cards, and then in the middle of the cards there are additional icons and symbols for the other games. These cards are the same width as poker size playing cards, but square! 63x 63 mm (2oe x 2oe in).