Korean Vocabulary Builder features over 750 quizzes, audio, verb & adjective conjugation and lessons. TenguGo Korean Vocabulary offers:

★ Flashcards with verb/adjective conjugation
★ Complete Audio for 550 most common words
★ Common Vocabulary - 55 Quizzes
★ Quizzes by Topic - 275 Quizzes
★ Quizzes by Hanja - 275 Quizzes
★ Quizzes by Textbook - 150 Quizzes
★ Lessons on using Korean numbers
★ Hanja for each word