オサワリ探偵小沢リナカブトムシリズム (Osawari Tantei Ozawa Rina Nameko Rhythm) is a rhythm game developed by Nintendo and released exclusively for the Nintendo 3DS in Japan. This game is based on the popular Osawari Tantei Ozawa Rina detective series, which follows the adventures of a young detective and her talking nameko mushroom sidekick. Players assume the role of Rina, and must investigate various cases by solving puzzles and performing rhythm-based minigames to progress. The gameplay revolves around solving cases with the help of Rina's nameko sidekick. Players must investigate crime scenes, interrogate suspects, and collect evidence in order to solve the case. As they progress, they are also presented with rhythm-based minigames, which must be completed in order to move forward. The minigames require players to tap the 3DS touch screen in time with the music, and can range from simple button-tapping to more complex patterns. Osawari Tantei Ozawa Rina Nameko Rhythm features a variety of characters from the Osawari Tantei Ozawa Rina series, as well as a selection of catchy music tracks. Players can also unlock bonus items and costumes as they progress through the game. With its engaging detective-themed story, charming characters, and fun rhythm-based gameplay, Osawari Tantei Ozawa Rina Nameko Rhythm is sure to be a hit with fans of the series.