The Ultimate Rummy Cash Game: A Complete Guide The Ultimate Rummy Cash Game is a contemporary take on the time-honored card game that has drawn players in for decades. The exciting cash component online slots gamblingadded to this digital version of rummy not only raises the stakes and improves the overall experience, but it also captures the essence of the classic game. Players compete in a game of strategy and cunning where winning plays can bring in large sums of money. The object of the game is usually to use cards to form sets & sequences; the player who melds their cards the best wins the round.