Three or more consecutive cards of the same suit make up a run, whereas three or four cards of the same rank make up a set. When they satisfy the necessary requirements, players can lay down their slots all appmelds, and the round keeps going until one player successfully discards their final card. Both strategy & scoring. Although the exact rules being followed can affect scoring, unmelded cards that are still in opponents' hands at the end of each round typically earn points. Players are kept interested and encouraged to consider their moves carefully by this combination of strategy and chance.