Free Daily Sudoku in Three Difficulties
A fresh Sudoku every day in easy, medium and hard, with error checking and hints when you're stuck.
Open the free Sudoku (Daily Puzzle) →What is the Sudoku?
A fresh Sudoku every day in three difficulties, with notes-free play, error check and hints. It's completely free, needs no sign-up and works on any phone or computer.
Why it's helpful
- New puzzle every day
- Three difficulty levels
- Error check and hints
Who it's for
Puzzle lovers of all ages.
How to use it
- Click a cell and type 1–9 (or use the buttons). Arrow keys move around.
- Each row, column and 3×3 box must contain 1–9 once.
💻 Open source: this tool is free and open source (MIT License). View the code on GitHub, download it and run it offline.
The bigger picture: Games
Short brain games are a healthy break: they sharpen memory, focus and reaction time in a few minutes. Daily puzzles also give friends, families and teams something fun to compare.
What's changing: Daily puzzles that everyone plays at the same time have become a social habit, shared in group chats around the world.
Frequently asked questions
Does every puzzle have one solution?
Yes. The generator checks that the solution is unique.
