Gin Rummy, which is played between two players and stresses fast gameplay & strategic decision-making, is one well-liked variation. The goal of Gin Rummy is to miuk casino slotsnimize the quantity of unmatched cards in the player's hands while forming melds. In order to indicate that they think they have fewer unmatched cards overall than their opponent, one player must "knock," which ends the game. This variation is especially popular because it is fast-paced and encourages fierce competition.