The Complete Guide to Mastering Yono Rummy Yono Rummy is a well-known card game that has become more and more popular in recent years, especially on online gaming platforms. Thall slots online casinoe game can hold two to six players and is usually played with two decks of cards, including jokers. Utilizing the cards dealt to each player, the main goal is to create legitimate sets & sequences. 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.