週刊少年マガジン
In celebration of the 50th anniversary of "Weekly Shōnen Sunday" and "Weekly Shōnen Magazine", the two companies collaborated to publish twelve biweekly magazines consisting of chapters from "Weekly Shōnen Sunday"s "Case Closed" and "Weekly Shōnen Magazine"s "Kindaichi Case Files". The magazine ran between April 10, 2008, and September 25, 2008.