When players in Gin Rummy think they have a hand strong enough to win without disclosing all of their melds, they try to knock. Another notewortrelax gaming slots listhy variation is Indian Rummy, where players must form at least two sequences, one of which must be a pure sequence (without jokers), and frequently use two decks of cards. Because it uses jokers as wild cards, this version adds more complexity and places an emphasis on strategic melding.