Mastering 23 Rummy: A Complete Guide 23 Rummy is a well-liked card game that appeals to players of all ages because it blends aspects of strategy, skill, and chance. The game cascarab slotsn be played by two to six players & is usually played with a standard 52-card deck. Forming legitimate sets and sequences—that is, card combinations that satisfy predetermined standards—is the goal. While a sequence consists of three or more consecutive cards of the same suit, a set consists of three or four cards of the same rank but different suits.