The most famous publisher is Ravensburger - they have the rights for the brand name Memory.ĬONTENTS : 72 Picture Cards, 1 Storage Tray There are hundreds of different Memory games - starting with 24 cards for the youngest, with all kinds of animals, art, about countries, also a gay and a 'Breast Memory', several free giveaway Memory games published by companies. There are thousands of Pexeso sets with different themes. It usually consists of 32 pairs of square cards. In Czech Republic this type of game is known as Pexeso. In Switzerland was a domino-like game named Zwillingsspiel with the same roots. But these are played with simple playing cards. In USA and England known as Pairs, Pelmanism, or Concentration. There are versions known from Japan in the 16th century - matching pictures painted on shells. First published in today's form by Ravensburger in February 1959.