Rummy mats are adaptable to various variations of the game, including Canasta, Indian Rummy, and Gin Rummy. Some mats are made especiallrummy winy with layouts that accommodate these variations, such as spaces set aside for particular melds or scoring schemes that are particular to each kind of game. If you regularly play Gin Rummy, for example, you may search for a mat with areas for knocking or laying off cards.