One player declares "Rummy" and wins the round when they successfully merge all of their cards into sets and runs that are legal. Any player hoping to succehot slotsed in rummy must comprehend the rules. At the conclusion of a round, players must also understand the scoring system, which varies depending on the version but usually entails giving unmelded cards in hand point values. Cards with numbers are worth their face value, but cards with faces may have higher values.