EDIT: This maintenance is over, and you should be able to share your score, visit the official website, etc., as usual. If you're having trouble, contact us from the support page.
A part of the game and all of the official website will be unavailable during the following period:
Date
4/13 4:00pm ~ 10:00pm (GMT)
Functions Involved
URL generation for sharing the result / Official website, including the online manual
Reason
The server responsible will undergo a maintenance
What happens to the affected functions?
You may get errors when you try to share your result to Twitter in the time above, saying that the game 'failed to generate a URL.'
You can still share your score in text, but your tweet will be missing an image.
The official website will also be unavailable.