Dominoes is a family of tile-based games played with gaming pieces. Each domino is a rectangular tile, usually with a line dividing its face into two square ends. Each end is marked with a number of spots or is blank. The backs of the tiles in a set are indistinguishable, either blank or having some common design

Number of cards: 28

Players: 2-7

Dealing: The game starts after each player is dealt 3 cards. And then all players place bets in order during the betting time; After the betting is completed, everyone is dealt 1 more card and places bets in order again.

Betting: After the dealing is completed, the betting time begins, and the players can choose to fold, call, or raise. Players can all in immediately if there are not enough chips.

Raise: The player adds money at least 1x minimum raise or all in if there are not enough chips.

Call：Place a bet following the betting amount of other players, you can all in immediately if there are not enough chips.

Card ranking：Each player divides their hand into two sets of two cards, and the value of each pair of cards is the units digit of the total number of spots.

Winner：The player with the highest special hand wins. If no one has a special hand, the best ordinary hand will win.

From highest to lowest: Six Devil>Twin Cards>Small Cards>Big Cards>QiuQiu>Ordinary Cards"

Special cards

"1. Six Devil: All cards value 6.The biggest special card type.

1. Twin Cards: All cards are those that have the same above value as the value below.
2. Small Cards: The total value of the four cards is less than or equal to 9.
3. Big Cards: The total value of the four cards is 39 or more.
4. QiuQiu: The total value of the cards on the left and right are both equal to 9.
5. Ordinary Card: A card that is not a special card."

Payment rules

"1. Comparing hand: the largest hand type wins, if there is a tie between special hands, the prize pool is divided equally.

1. Ordinary cards: the value of the left pair is always greater than or equal to the right pair.
2. Winner of left pair: The player with the highest number of points wins. If there is a tie, the player with the highest points on the right wins.
3. Winner of right pair: The player with the highest number of points wins. If there is a tie, the player with the highest points on the left wins.
4. One player with best left pair and best reght pair: Wins whole prize pool.
5. The pot is split between the players with the best left pair and the best right pair."
6. Six Devil：All cards value 6. The biggest special card type."
7. Twin Cards：All cards are those that have the same above value as the value below.
8. Small Cards：The total value of the cards is less than or equal to 9.
9. Big Cards：The total value of the cards is 39 or more.
10. QiuQiu：The total value of the cards on the left and right equal 9.
11. Ordinary Card：A card that is not a special card.