Like other rummy games, Oklahoma Rummy usually uses a scoring system where points are given at the conclusion of each round based on unmelded cards. Compared to conventional rummy formats,dimm memory slots Rummy 500 is another well-liked variation that offers more play options. With its two decks of cards and capacity for two to eight players, Rummy 500 offers special scoring features that incentivize players to form melds during the game rather than only at the end. Starting with thirteen cards, each player alternates between drawing from the discard pile and the stockpile.