A player can "knock" by calling the round off and revealing their hand once they have formed their sets and runs. The player wins the round and achieves "gin" if they can arrange all of their cards into sets and runs withoskyvegas com slotsut any unmatched cards. The player who has the fewest points in unmatched cards at the end of each round wins by drawing and discarding cards in turn until one player reaches gin or knocks out. The players reveal their hands to determine the winner at this point, marking the end of the round. Players earn points depending on the value of unmatched cards in their opponent's hand during the game, which is usually played over multiple rounds.