Set (card game) Set (card game) Set is a real-time card game designed by Marsha Falco in 1974 and published by Set Enterprises in 1991. The deck consists of 81 cards varying in four features: number (one, two, or three); symbol (diamond, squiggle, oval); shading (solid, striped, or open); and color (red, green, or purple). Each possible combination of features (e.g., a card with three striped green diamonds) appears precisely once in the deck. The game evolved out of a coding system that the designer used in her job as a geneticist. "Set" won American Mensa's "Mensa Select" award in 1991 and placed
Stored-value card vending machines. They also have an advantage over most other payment cards in that when making, say, a purchase telecommunication facilities are not needed, which may be important in situations where the availability or reliability of these facilities are uncertain or costly, especially for low-value transactions. A benefit to the merchant is that bank transaction fees are not incurred as the transaction is processed offline and there need not be a reference to the bank for processing. A limitation is that these cards cannot be used for online, telephone, mail order and other "card not present transactions". The German Geldkarte