mahjong jpRiichi Mahjong is the Japanese variant of Mahjong that focuses on strategy, precise scoring, and unique rules like Riichi (a declaration of a ready hand). It requires players to fulfill at least one Yaku (scoring pattern) to declare aJapanese mahjong (, or マージャン), otherwise known as mahjong, is the Japanese varation to the 4-player table card game of mahjong, whose objective can be best