Episode 3: The Adventure of the Runaway Room is the third episode of the game Dai Gyakuten Saiban: Naruhodō Ryūnosuke no Bōken and follows Ryūnosuke Naruhodō's first appearance in the English court. In his first trial there, Ryūnosuke is asked to defend well-known British businessman and philanthropist, Cosney Megundal, for the murder of an East-End Brick Maker, 'Thrice-Fired' Mortar Milverton. Barok van Zieks, Cosney Megundal, Oscar Fairplay, Adam Redifast, Beppo, Hart Vortex, and Gina Lestrade all make their debuts in the episode.