In order to keep an eye on their opponents' moves, players must strategically choose which cards to keep and discard as their turns progress. Until one player declares "Rummy" and wins the round by suwhich rummy is realccessfully melding all of their cards, the game goes on. Although scoring can change depending on the exact regulations being followed, unmelded cards that are still in opponents' hands at the conclusion of each round usually earn points. Players must strike a balance between advancing their own goals and foiling their opponents' plans, which adds another level of strategy to the scoring system.-rummy number