A Quick-Firing Two-Player Game Is Gin Rummy. 52 cards make up a standard deck of cards for the two-player game of gin rummy. Casual card players love this game because of free online slots nzits easy rules and quick gameplay. Introducing Strategy and Complexity to Traditional & Indian Rummy Games. However, two decks of cards and two jokers are usually used in the popular variant of the game known as Indian Rummy. The game's distinctive rules and scoring structure, which raise the gaming difficulty even further, are well-known.