Examining Common Variants of Rummy. Played with two decks of cards, Indian Rummy is another popular variation that frequently has more intricate melding and discarding rules. Due toslots on motherboard its captivating gameplay, this version has amassed a devoted following and is especially well-liked in South Asia. Other noteworthy variants include Canasta, which adds tactical & cooperative elements by enabling players to form melds with their partners, and Kalooki, which adds extra rules like wild cards and particular scoring schemes. Rummy's Development.