There are over 90 quizzes and 10,000 multiple-choice questions, mostly on languages, but not only. The biggest sections are  English (EFL), Italian, Japanese, German and Swedish, with over 1000 questions each. The newest language section is Italian for Japanese speakers.

For each quiz there are three pages: a menu page which initialises the quiz, a question page with the question and or image and four possible answers and an answer page where you can discover if you have choosen the right answer or not. Many of the quizzes have a mutiple levels with more questions, score well to see them.
 
The questions are usually choosen at random. If you do not see your score increase you are either hopeless or you need to reinitialise the quiz by going back to the MENU.

If you are using Opera browser, KDE Konqueror or Apple Safari and get the questions wrong, you can go BACK and try the same question again.