At the end of a round, players in Gin Rummy try to minimize deadwood, or unmatched cards in hand, while forming sets and runs. When one plaonline slots machineyer knocks or goes "gin," indicating that they have created legitimate combinations with little deadwood, the game is over. Indian Rummy is another popular variation that requires players to form at least two sequences, one of which must be a pure sequence devoid of wild cards.