A Complete Guide to Mastering Rummy Rummy is a well-known card game that has captured the attention of players worldwide with its unique combislots to win real moneynation of skill, strategy, and a little bit of luck. The game's main objective is to form runs and sets using a standard deck of cards. For example, a run is a series of three or more cards in the same suit, whereas a set is three or four cards of the same rank but different suits.