Until the player successfully melds every card in their deck, this cycle keeps going. There are various Rummy variants, each with its own set of100 bonus rummy app guidelines and subtleties. Indian Rummy, for example, usually uses two decks & requires players to form at least two sequences, one of which must be a pure sequence without a joker. Gin Rummy, a two-player version, emphasizes forming melds quickly and efficiently to achieve this goal.