A Complete Guide to Mastering Rummy Rummy is a timeless card game that has enthralled players for many years. Both casual and competitive players like it because of its unique combination of skilteenpattyl, strategy, and a little bit of luck. It is imperative for anyone who wants to get better at Rummy to comprehend the basics. Rummy is fundamentally a matching-card game in which players form runs and sets using the cards that are dealt to them. 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.