Our multi-stage hint system starts with a gentle reminder to get you back on track and works up to an illustration of the exact technique to use and how it applies to the current board.
All games are true Sudoku, with symmetry and a single solution that can be discovered by logic alone.
If you doubt that a puzzle can be solved by logic, simply have the hint system explain it to you step by step.
With daily games at 17 difficulty levels, novices and expert players alike will appreciate :) Sudoku.
Our tutorial, extensive feature set, and advanced hint system offer something for every player.
For unlimited puzzles, check out our other Sudoku products: :) Sudoku + (paid) and Sudoku Joy (free).
Use our hints to ease those frustrating moments and to learn how to be a better player.