Learn for real
11 techniques lead from theory to a worked example and practice. Train the skill you want to strengthen.
Sudoku that teaches
Think deeper. Solve better.
Nordoku is a sudoku that teaches. It doesn’t just tell you the next digit – it shows why the move works and helps you find the next one yourself.
Explore NordokuFor iPhone and iPad
A hint that leaves the insight to you.
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Sudoku that teachesFor iPhone and iPad
01 Sudoku that teaches
A hint that leaves the insight to you.
Five thoughtful steps help you see the next move. Stop as soon as it clicks.
- 01Look in the right place
- 02See the pattern on the board
- 03Understand why it works
02 Nordoku
More than a number puzzle.
Play your way
Classic sudoku, the daily challenge, Zen, and X, Jigsaw and Killer variants. You can also enter your own puzzle.
Room to focus
No ads, analytics or tracking. Play without an account or internet connection.
03 Nordoku
Your next insight starts here.
Start for free. A single purchase unlocks every technique and game mode.
App Store link coming at launch