If you are an advanced German student, have a look at these courses. There is no particular order, but it’s good to change between Grammar and Vocabulary Courses.
My most difficult Courses are German-English Stories Have a look and learn German with stories.
More Advanced German Courses are following soon! You can also learn to understand the News and learn interesting topics from a German perceptive with the Slowly Spoken German News. Learning German with current topics is fun & efficient.
Advanced German Vocabulary Courses
Advanced German Grammar Courses