Over time, a number of regional variations and adaptations surfaced, each adding a distinctive twist to the basic rules of rummy. Rummy's Various Varieties: From Ginew yono gamesn Rummy to Indian Rummy Rummy is not a single game; rather, it has many variations that suit various tastes and playing ways. With two players usually playing, Gin Rummy is one of the most popular variations. The goal in this version is to minimize the number of points in the players' hands while forming runs & sets of cards.