Indian Rummy, Gin Rummy, & Kalooki are a few of the well-liked Rummy variations. Usually played between two players, Gin Rummy places a sataa kigstrong emphasis on making melds as fast as possible while reducing the number of unmatched cards in the deck. Specific Qualities of Every Variant. Because Indian Rummy requires players to form at least two sequences before declaring victory, it adds even more complexity.