As rummy developed further, it split into different variations and styles, each with its own set of guidelines and tactics. Because it offered a reasonably priced form of entertainment during difficult economic times, the game became a mainstay in American homescash games during the Great Depression. A number of well-known variations, such as Gin Rummy and Indian Rummy, emerged in the 20th century and added to the game's diverse fabric. Rummy was further changed by the advent of online platforms that enabled players to connect and compete from any location in the world as a result of the late 20th and early 21st century technological revolution. Rummy's ongoing evolution while upholding its fundamental ideas of strategy and social interaction is evidence of its enduring appeal today.