How to Play 500 Rum: Tips and Guidelines HowStuffWorksScoring in rummy. First, we will explain the scoring parameters for a rummy card game after which we will explain the scoring rules in detail. Scoring parameters. In rummy, the values of each card rank are: 2 10: Face Value; 10 K: 10 points; Ace: 1 point; Joker: 020 points (depending on the game) In rummy rules, the scoring is based