This is the college course English version.

You can take the quiz in every course section to get a certificate.

Level 1 has 30 courses so you have to finish 30 quizzes to get the level 1 certificate.

Level 2 has 41 courses so you have to finish 41 quizzes to get the level 2 certificate.

Level 3 has 14 courses so you have to finish 14 quizzes to get the level 3 certificate.