What kind of courses are available? iKnow! Support Updated August 03, 2019 03:25 Follow We have four categories of Official Courses:Japanese, Simplified Chinese, Traditional Chinese, and English vocabulary. You can see them in the Find Courses page: https://iknow.jp/content Related articles Can I reset my study data? How long does it take to complete a course? Comments 0 comments Article is closed for comments.