Detective Conan: Giwaku no Gouka Ressha is a single-player adventure game in which players solve mysteries by gathering clues, interrogating suspects, and piecing together evidence to uncover the truth. In this game, players are immersed in the world of the Detective Conan anime, where they follow the story of a young detective solving complex cases set in various locations, including a mysterious train. It stands out with its faithful adaptation of the anime's storyline, engaging puzzle-solving mechanics, and its focus on narrative-driven gameplay that challenges players' deduction skills, all within the constraints of the Game Boy platform.