In each deck, there are 52 cards and one printed joker. This version is played with three rummy decks. The game is played by 2 to 6 players and each player is dealt 21 cards. Every 21-cards rummy round is very strategic, time-consuming, and has points calculations that you must keep in mind.
The 21-card game is one of the most complex and challenging rummy variants. Since this variant uses more cards, every round takes longer than some other variants of rummy such as 13-card rummy. In this variant, every player gets 21 cards and they have to arrange their cards in sequences, or sequences and sets.
It is played by 2 to 6 players with three decks of cards and this variant uses an extra group of Up and Down Jokers apart from the standard set of printed and wild jokers. The game of 21-cards rummy is usually played in the points rummy format.