YOURGAMES · HTML5
Play Daily Sudoku Online Free
Solve one deterministic Sudoku challenge every day, save your time and build a daily streak.
About this game
Solve one deterministic Sudoku challenge every day, save your time and build a daily streak.
Fill every row, column, and 3×3 box with the digits 1 through 9 exactly once.
How to play
List candidates allowed by each row, column, and box, place forced singles first, and update nearby candidates after every entry.
- Scan for a cell with only one possible digit.
- Check each unit for a digit with only one possible position.
- Repeat the scan before using advanced pairs or intersections.
Rules and tips
Fill every row, column, and 3×3 box with the digits 1 through 9 exactly once.
Practical strategy
- Work from the most constrained row, column, or box.
- Use crossings between a box and a row or column to eliminate candidates.
- Record candidates consistently instead of relying on memory.
Common mistakes
- Guessing before all forced placements have been checked.
- Looking at rows while forgetting the corresponding 3×3 box.
- Failing to update candidates after placing a digit.
Frequently asked questions
Can I play Daily Sudoku for free?
Yes. Daily Sudoku is free to play in your browser with no download or account required.
How do I start Daily Sudoku?
Open the game, review the on-screen instructions, and use the highlighted legal moves to begin.
Should I guess in Sudoku?
A well-formed puzzle can be solved logically. Re-scan singles, box-line interactions, and candidate pairs before guessing.