Medium sudoku
Medium sudoku sits between "this is easy" and "I need notes". The boards are solved with the same basic steps as easy sudoku, but they have only 27 to 35 clues, so the next move does not always jump out. You have to scan rows, columns and boxes systematically.
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Frequently asked questions
Do I need notes in medium sudoku?
You do not have to. Every medium board here is solved using only moves where one cell can take one number, or a number can go in one place. Notes just help you remember what you already checked.
How do I know it is time for hard sudoku?
When you solve a medium board with no mistakes in under 15 minutes. In hard sudoku there are moments with no simple move at all, and that is where pairs and locked candidates come in.
Will the board I got appear again?
Every board has a number. The same number always makes the same board, so you can share the link with a friend and race on the same puzzle.
Explore more: online sudoku, all levels, Easy sudoku, Hard sudoku, and the daily sudoku.