Nainai no Meitantei is an adventure game with real comedian cast. The game features the japanese comedian Yoshimoto and a new young actor that will help him solving the different cases that the game features. In the game these detectives have to talk to different characters and looking for items and use them to find clues to solve those cases. The game features 3D graphics and japanese voice acting from the original comedians and actors. The game features new locations when the player solve the first cases, and through the game there are some mini games like casino, racing, horse racing, etc. The game is full of wacky situations.