ALC no 10-punkan Eigo Master - Chuukyuu (Japan) (ALCの10分間英語マスター中級) is an educational Nintendo DS game developed by ALC and published by Arc System Works. It is designed to help players improve their English skills by providing various exercises and activities. The game features various modes such as 'Exercise Mode', 'Free Mode', and 'Test Mode'. In Exercise Mode, players can practice their English skills by completing various exercises, such as sentence completion, vocabulary quizzes, and grammar exercises. In Free Mode, players can practice their English by talking to a virtual teacher and engaging in conversations. In Test Mode, players can take a series of tests to measure their English proficiency. ALC no 10-punkan Eigo Master - Chuukyuu (Japan) provides an interactive and fun way for players to improve their English language skills.