Duo Cards. Play this fun version of the popular card game classic and try to be the first to score 500 points! The rules are easy to learn: you start with 7 cards and need to get rid of them before the other AI players. After drawing from the pile, you have to match the current card in the discard pile either by number, color or icon. Make sure to announce your next-to-last card or else receive a penalty. Do you have the right strategy and luck to beat your opponents?