The Complete Guide to Rummy The card game rummy date back to the early 1800s and has been a favorite among players for centuries. Although the game's exact origins are a little unclear, it is generally576 slots apk accepted that Rummy developed from a number of earlier card games, such as the Spanish game "Conquian," which is frequently mentioned as a forerunner. Played with a 40-card deck, Conquian established the foundation for many of the features present in contemporary Rummy. The game saw numerous adaptations as it traveled across borders, giving rise to the various iterations that are now known to us.