Many communities have embraced Royal Rummy over the years, each contributing their own unique rules and style to the game. This versatility has cemented its slots earning appplace in the canon of cherished card games by enabling it to flourish in a variety of contexts, from informal home games to competitive tournaments. Combinations of the objective and cards. A run is a series of three or more cards in the same suit, whereas a set is made up of three or four cards of the same rank.