Hello!
When you press “Restart” button, doest it wipe learning history of that one level (which is open at the moment) or of the whole course?
Thank you in advance 
It’s explained in the FAQ section:
" What is the difference between quitting and restarting a course?
- Quitting a course will not erase your learning history, you can always go back to the course and continue learning where you left off. Quitting only means it will be taken off your course list in the dashboard.
- Restarting a course will effectively wipe all learning history in that course. This means if you ever want to learn that course again, you will have to start from scratch.
Both restarting and quitting courses will not erase any of your points."
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Thank you!
If you first open a level and then click the “restart” button, it’s supposed to wipe your progress for just that level.
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