Dai Gyakuten Saiban: Naruhodō Ryūnosuke no Bōken (大逆転裁判 -成歩堂龍ノ介の冒險-; lit. "Great Turnabout Trial: The Adventures of Ryūnosuke Naruhodō") is a prequel game for the Ace Attorney series of text adventure video games. Available on the Nintendo 3DS, the game is published by Capcom, directed by Shu Takumi, and produced by Shintaro Kojima. Ace Attorney veteran Kazuya Nuri returns for official art, and the soundtrack is composed by Yasumasa Kitagawa (of Professor Layton vs. Phoenix Wright: Ace Attorney) and Hiromitsu Maeba. It is the ninth title overall in the series. There are currently no plans for release in the West. A petition for a western release was created by a western fan.