As they attempt to minimize the point value of the unmelded cards in their hands, players in Gin Rummy try to form sets and runs. The game adds "knocking," a strategy element where a player can end the round if they think they have made enough melds while keeping thuuuge casino slots vegas 777heir unmatched cards below a predetermined point threshold. Because players must determine when to knock based on their hand and the potential of their opponent, this variation places an emphasis on both psychological strategies and deft card management. Jokers are used as wild cards in Indian Rummy, another well-known variation that is frequently played with two decks of cards. To declare their hand in Indian Rummy, players must form a minimum of two sequences, one of which must be a pure sequence (i.e., devoid of a joker).