Ide Yosuke Meijin no Jissen Mahjong is a mahjong game developed and published by Capcom. The game shipped with a unique controller that was explicitly designed for Mahjong games and resembles a keyboard. The game is unplayable without it. Ide Yosuke Meijin no Jissen Mahjong does not play the traditional mahjong game, but rather a variation of the game known as "Reach Mahjong" or "Attack Mahjong".