Case Closed: The Mirapolis Investigation is a mystery adventure game for the Nintendo Wii. Players join Kogoro, Ran, Conan, and the Detective Boys as they attend the opening of the Mirapolis complex. The atmosphere becomes tense when a body is found by the pool. Players must assist Conan, with input from Heiji, to unravel the mystery and avert further danger.
Kogoro receives tickets to the grand opening of the Mirapolis complex and is unwittingly forced to take along Ran, Conan, and the Detective Boys. At the opening speech, tensions run high as the Mirapolis staff begin to let their past with the owner get the better of themselves. Soon after, Conan and Ai discover a body by the Mirapolis's pool. With a little help from Heiji, it's up to Conan to solve the murder and prevent anything else from happening.