A very casual game, the gameplay of Happy Island, the game is combined with card gameplay, the player challenges the island owner, the player starts a game with the island owner and tourists, and each hand has three cards for the one who fights alone, and the other two Players are allied against this player. When the player wins, the island owner will subtract some points. Until the score is 0. The player occupies this island and can continue to challenge the next island. Until all the islands are occupied.