As Rummy developed further, it gave rise to a wide variety of variants, each with its own distinct set of guidelines and strategies. During the Great Depression, the game became a mainstay in American roo slotshomes, offering a reasonably priced source of entertainment during lean financial times. Rummy's reputation as a popular hobby was further cemented in the middle of the 20th century with the introduction of organized tournaments and the growth of commercial card decks. Rummy is a game that is played all over the world today, with millions of fans enjoying both the traditional and digital versions.