500 (card game) 500 (card game) 500 or five hundred, also called bid euchre, is a trick-taking game that is an extension of euchre with some ideas from bridge. For two to six players, it is most commonly played by four players in partnerships, but is sometimes recommended as a good three-player game. It arose in America before 1900 and was promoted by the United States Playing Card Company, which copyrighted and marketed the rules in 1904. 500 is a social card game and was highly popular in the United States until around 1920 when first auction bridge and then contract bridge drove
Card game formal settings are free to implement agreed-upon supplemental or substitute rules at will. An infraction is any action which is against the rules of the game, such as playing a card when it is not one's turn to play or the accidental exposure of a card, informally known as "bleeding." In many official sets of rules for card games, the rules specifying the penalties for various infractions occupy more pages than the rules specifying how to play correctly. This is tedious, but necessary for games that are played seriously. Players who intend to play a card game at a high