The various variations of rummy that exist today are the result of the game's many adaptations as it traveled across national boundaries. Rummy had arrived in the US by the late 1800s, where it quickly btop online slotsecame very popular. The game became common in homes and parlors and was frequently played in social settings. Many regional variations of the game, each with its own set of rules and subtleties, emerged as a result of the game's introduction into American culture. The word "rummy" itself is thought to have come from the word "rum," a reference to the social setting that frequently surrounded the game.