Mastering Rummy: A Complete Guide For generations, players have been enthralled with the timeless card game of rummy. Because it combines skill, strategy, and a little bit of luck, it play video slotsis popular with both casual and competitive players. One must first understand the basic rules governing Rummy in order to play the game well. Rummy is essentially about using the cards in your hand to form sets and runs. 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 but different suits.