sudoku

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-UNDO button

You can undo the action.



-ERASE button

You can remove the number.



-MEMO button

Write a provisional answer. Turn on the memo button and write the number.



-HINT button

It will tell you the answer when you don't know the answer.



-Show mistakes

We'll let you know when you write the wrong answer. This feature can also be turned off.



-Clear memos

If you write an answer after writing a memo, unnecessary memos will be deleted. This feature can also be turned off.



-Hide numbers buttons

After writing the same number 9 times, the number button disappears. This feature can also be turned off.



-BGM on/off

BGM can be turned off.



-SE on/off

SE can be turned off.



-Theme

Choose your favorite from 4 themes.