Greater Head. Numerous adaptations of the game occurred as it spread across continents, giving rise to different versions, each with its own distinct set of strategies and rules. Rummy was a common teen patti racegame at social events and family get-togethers in America by the middle of the 20th century. Rummy kept changing as the decades went by, adopting new technology that revolutionized the game's gameplay. Rummy entered the digital era in the late 1990s and early 2000s with the emergence of online gaming platforms, which enabled players to interact and compete in real time from all over the world.