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Expert Sudoku
Explore expert Sudoku for advanced practice. Sign in and complete earlier chapters to unlock Expert puzzles with Classic mode and cloud progress.
Guest play is Easy only. Registered players unlock Medium, Hard and Expert by completing six different levels in the preceding difficulty in each city.
Practice patient, advanced solving
Expert puzzles start in Classic mode without automatic answer checking. Keep careful notes, look for logical eliminations and use hints when you want help getting unstuck.
How to play Expert Sudoku
Fill every row, column and 3 × 3 box with the digits 1–9, without repeating a digit. Select a cell and enter a number, or use notes to record possibilities. Notes, undo and hints are available in the game.
Daily Sudoku practice, at your pace
Make a puzzle part of your daily routine on a phone, tablet or computer. Choose from the existing puzzle collection whenever you want to practice. This is daily practice, rather than a shared puzzle that resets each day.
Save your journey
Play Easy as a guest without signing in. Create an account to save unfinished puzzles and progress between devices, and explore city chapters and landmark rewards.