It is thought that the Chinese card game Mahjong is where the 19th-century card game rummy got its start. Following its introduction to Europe and the United States, free cash rummy newthe game evolved into the current iteration that is played today. Given the lively nature of the game, it is likely that the term "rummy" originates from the colloquial term "rumbullion," which means "a great tumult or uproar.". Rummy has evolved significantly over time, giving rise to different regional variants & sets of rules.