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 Hoyle brand, and publishes a series of rulebooks for various families of card games that have largely standardized the games' rules in countries and languages where the rulebooks are widely distributed. However, players are free to, and often do, invent "house rules" to supplement or even largely replace the "standard" rules. If there is a sense in which a card game can have an "official" set of rules, it is when that card game has an "official" governing body. For example, the rules of tournament bridge are governed by the World Bridge Federation, and by local bodies in various countries