Variations of Rummy Jack To accommodate various tastes and playing styles, Rummy Jack has given rise to a plethora of variations. A well-liked variation is "Rummy 500," in which players can earn extra pointsslots bonus no deposit for going out first and score points according to the value of melded cards. In order to maximize points in each round and determine when to go out, this version adds a strategic component. "Canasta," which uses two decks of cards and permits more intricate melds involving wild cards, is another noteworthy variation. Creating "canastas," or melds made up of seven cards of the same rank, is the goal of Canasta.