From the designer website: Twelve Twelves is a simple card game of prediction and bluff for two players. It is also a game that will fairly quickly and painlessly teach people their times-tables. The game consists of four hands and takes about 5 or 10 minutes. Each hand works as follows: 1. deal six cards to each player 2. the dealer then chooses a card from her hand and plays it face up on the table 3. the other player (the scorer) then plays a card on top of this 4. the scorer gains points equal to the value of the two cards multiplied together 5. repeat steps 2 to 4 for the other five cards Now play the next three hands, alternating who is the dealer and who is the scorer. There will be 4 cards left over: these are simply discarded. The value of each card is as follows: - Aces are worth 1 - Number cards are worth their face value - Jacks are worth 11 - Queens are worth 12 - Kings are worth zero

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