You can take note of your user id here and re-enter it on other devices that you wish to synchronise with this computer's tracking of your progress.
Note down the user id in case you wish to retrieve your progress data in the future.
(Please note this user id is system generated and the site may not work as expected if it is changed from the values provided.)
If you wish to personalise your interaction with the site, for example on the Rankings page, you can enter a name here that other users will see.
Clear all data for Korean if you want to delete your scores and start your progress and scoring from scratch