The Complete Guide to Rummy The card game rummy has been a favorite among players for centuries, dating back to the early 1800s. Although the precise origins poker rummy downloadof rummy are not entirely clear, it is generally accepted that it developed from a number of earlier card games, such as the Spanish game "Conquian," which is frequently mentioned as a forerunner. A 40-card deck was used for Conquian, which established the foundation for many of the features of contemporary Rummy.