The Complete Guide to Classic Rummy Classic Rummy is a card game that has been played for generations & has a long and varied history dating back to the early 1800s. The game is thought to have developmbm slotsed from the Spanish game "Conquian," which is frequently considered to be the forerunner of contemporary rummy variations. Conquian, which was played with a standard deck of cards, was similar to modern rummy in that it involved melding sets & runs. Gin Rummy & Indian Rummy are just two of the variations that have emerged as a result of the game's many adaptations as it has expanded internationally.