DSラクビキ辞典 (DS Rakubiki Jiten) is a Japanese dictionary game released exclusively for the Nintendo DS. Developed by Nintendo and published by Nintendo and Intelligent Systems, DS Rakubiki Jiten was released in Japan on July 10, 2008. The game enables users to search for words in Japanese, as well as to take quizzes and compete against other players. The main feature of the game is the dictionary search system. The game includes a comprehensive Japanese dictionary with over 300,000 entries. It also has a quick search feature which enables users to quickly locate words. The game also includes a variety of quizzes which test the users’ knowledge of the language. There are several types of quizzes, such as multiple choice, fill-in-the-blank, and unscramble. These quizzes help to reinforce the learning of new words. The game also has a multiplayer mode which allows up to four players to compete against each other. Players can choose from a variety of game modes, such as “word battle” and “word quiz”. In the “word battle” mode, players compete against each other by selecting the correct word from a selection of four. In the “word quiz” mode, players are given a set of words and must choose the correct definition. Overall, DS Rakubiki Jiten is an entertaining and educational game which can help players to improve their Japanese language skills. With its comprehensive dictionary and variety of quizzes, the game provides an enjoyable and effective way to study Japanese.