The rule is very simple. Ranking the number from A to K.
The players can choose the initial bets before selecting the cards.
There are 2 cards in the game, one with the card face up and the other one with face down.
Get a bonus for guessing whether the face down card is higher or lower than the face up card.
Everyone knows that in total 13 cards are observable.
A to 5 is low, 7 to K is high and 6 is the middle. If the players make good use of this concept, the winning ratio is higher.
These are also the features of the SPB games in the SuperAce88, which are simple and easy to win.