From the Super Mario Wiki, the Mario encyclopedia
The rules are the same as in Memory Match: The player must match the correct pair of cards to clear the challenge and gain a Star, and have plenty of coins to keep playing. However, there are now 16 cards upside down instead of eight, and the player bets five coins aside three. Every time Luigi deals the cards, four of them flip, allowing the player to have a clue to find their twins afterwards. Earning five Stars makes Luigi deal 18 cards, six of which are flipped, and earning ten Stars and more makes him deal 20 cards, eight of which are flipped.
As the player matches the wrong pair, a coin is taken away from the bet number. Losing all these coins would remove one Star gained from the challenge. Once the player has spent all their money to bet, the game ends.
If Memory Match was a piece of cake for you, try out this harder version. You now have more cards to play with.
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