With their own distinct rules and gameplay mechanics, some well-known variations are Gin Rummy, Indian Rummy, & Kalooki. For example, Gin Rummy, which is usually played in pairs,satta king a 1 focuses on creating melds so that opponents cannot see your hand until the very end of the game. Players must choose when to "knock" to end the round in this version, which calls for a sharp sense of timing and strategy. Indian Rummy, on the other hand, frequently has more players & uses jokers as wild cards, which makes the game even more complicated.