Thirty One is a card game popular in China. For the class struggle in the old society, see the Thirty One for details. If you are a fan of such games, don't miss this game! Thirty One is a poker game. The game is played by at least 3 players, using a 54-card deck, one of which is the landlord, and the other two are the other. The two sides play against each other, and the player who finishes the cards first wins. Click to play.