Nintendo DS game Fall für TKKG, Ein - Detektiv Gesucht! (Germany) is a detective game based on the popular German children's book series TKKG. Players are tasked with solving a series of mysteries and puzzles in order to progress through the game. The game features a 3D environment, allowing players to explore the world of TKKG in an interactive way. The game also features a variety of mini-games and puzzles that must be solved in order to progress. Players can also choose to play as one of the four protagonists from the book series. In Japan, the game is known as TKKG - Tantei wa Kiseki o Okose! (TKKG - The Detective Sets a Miracle!). It was released in 2007 by Konami and received positive reviews from Japanese gaming magazines. The game is popular among fans of the TKKG series, and is a great way for newcomers to experience the world of TKKG in a unique way.