Simple 2000 Series Ultimate Vol. 4: Urawaza Ikasa Mahjonggai: Nii-san, Tsukanjimatta You da ne

Simple 2000 Series Ultimate Vol. 4: Urawaza Ikasa Mahjonggai: Nii-san, Tsukanjimatta You da ne is a mahjong game that features 2 different game modes, the first one is a story mode in which the player will advance through the story defeating the opponents, the other game mode is a free mode in which the player can play mahjong matches against 3 computer opponents (that are the one that he can unlock in the story mode).