Rummy appeals to both casual and serious gamers due to its strategic depth & straightforward rules. Gin Rummy, Indian Rummy, & Kalooki are some of the different formrummy money appats in which the game can be played; each has its own set of rules and subtleties. To form at least two sequences, one of which must be a pure sequence (without a joker), players in Indian Rummy, for example, usually use two decks of cards. Players can use jokers to replace any card in their melds, which adds an exciting twist.