Rummy had become so popular in America by the late 19th century that it gave rise to a number of variations, such as Indian Rummy andrummy ares.com Gin Rummy. These modifications improved the gameplay while also adding to the game's timeless appeal, which has made it a mainstay at get-togethers and family game nights. A standard 52-card deck is used to play traditional rummy, which can have two to six players.