Grundschule 1.-4. Klasse - Fit fuers Gymnasium 2013 (グランドシュルー1～4学年 - 中学入学準備2013, Germany) is an educational game developed by Nintendo for the Nintendo DS. It is designed to help students in Germany prepare for the entrance exams for high school. The game focuses on teaching German language and math, as well as offering tips and advice on how to prepare for the exams. It features a variety of exercises, practice tests, and study tips, as well as interactive activities such as crosswords and quizzes. It also includes puzzles and challenges to help improve problem-solving abilities and logical thinking. Additionally, the game has a built-in dictionary and encyclopedia to aid in learning and understanding the material. Grundschule 1.-4. Klasse - Fit fuers Gymnasium 2013 is an excellent resource for students in Germany who are preparing to enter high school.