a card game, sometimes played with two decks, in which the players try to form Rummy works better than Gin Rummy when there are more than two players. Play the classic card game Gin Rummy online for free. No download required. Can you beat the computer?. How to Play Gin Rummy. You're hanging out with a friend but it's a rainy day and you're stuck inside. Don't just sit around waiting for the sun to come out- find a.