Depending on the particular Rummy variation being played—such as Gin Rummy, Indian Rummy, or Kalooki—the rules can differ substantially. Players must become familiar with the specific rules of therani app game they are playing because each version has its own twists and strategies. Players must create at least two sequences in Indian Rummy, for example, one of which must be a pure sequence devoid of a joker. Because players must balance the composition of their hands while monitoring the movements of their opponents, this requirement adds another level of strategy & complexity to the game.