Oklahoma Gin is a variation on Gin Rummy, in which the first upcard determines the maximum number of points with which a player may knock in that deal. The card game known as Oklahoma Gin is exactly the same game as standard Gin Rummy with only a few basic variations. It is a two-person game that requires. Oklahoma Gin Rummy Spielanleitung. Umfassende Spielregeln für Gin Rommé. It is possible for a beginner to learn the basics of Oklahoma Gin strategy while playing the game. I play gin and Oklahoma gin at games. If the knocker did not go gin see "Going Gin" belowthe opponent is also allowed to lay off any unmatched cards by adding to the knocker's sets e. The Complete Rules for the Card Game Oklahoma Gin. Oklahoma Gin is a close relative of Gin Rummy. This effort will be repaid by a noticeable improvement in the way you play the game.