Nada Asatarou no Powerful Mahjong: Tsugi no Itte 100-dai is a Game Boy installment developed by Affect and published by Yojigen, only in Japan. It features a quiz mode in which the player has to answer 20 of 127 mahjong problems in order to be given a rank, depending on true anwsers. It is possible to put the time on or off. Moreover, a two player mode is available, allowing players to play traditional mahjong.