The year 1975 saw the introduction of the game "Rip-off: A card game that shows how the consumer gets clobbered." A kind of trading game, Rip-off relates to much earlier games called "Keeping Store" or "Country Store," in which the children playing learned the value of money. Rip-off goes a bit further, as each player poses as a vendor but each must also buy goods from opponents. If a player gets ripped off, he or she is allowed to "sue" the opponent, in a late-20th century simulation. England's Waddingtons was first to publish the game.