Concentration (game) as an educational game. Any deck of playing cards may be used, although there are also commercial sets of cards with images. The rules given here are for a standard deck of 52 cards, which are normally laid face down in four rows of 13 cards each. The two jokers may be included for a total of six rows of nine cards each. Additional packs can be used for added interest. Standard rules need not be followed: the cards can be spread out anywhere, such as all around a room. In turn, each player chooses two cards and turns them
German playing cards decks were created to help players from around the country who were used to different suits. The Skat Congress decks split cards diagonally with one half using the pattern with French suits and the other half using the pattern with German suits. This is not unique to Germany as similar split decks are found in Austria, Switzerland and even France. The Turnierbild pack was created for official Skat tournaments, using the French suited Berlin pattern but with German colours (green Spades and yellow Diamonds). German playing cards German playing cards are a style of playing cards used in many parts