Beginner Guide
How to Solve Sudoku Faster
A practical routine for scanning the board, eliminating candidates, and avoiding random guesses.
Free logic puzzle game
Sudoku Go - Fun Brain Puzzle
A focused Sudoku experience for daily brain training, quick puzzle breaks, and satisfying number logic wins on any screen.
9x9
classic board
Notes
track candidates
Hints
learn as you solve
537
6195
986
863
4831
726
628
4195
879
Built for focused play
Everything a Sudoku player expects, without clutter.
Smart Notes
Use candidate notes while you scan rows, columns, and boxes for the next certain move.
Helpful Hints
Get a nudge when you are stuck, then keep learning the logic behind the puzzle.
Timer and Mistakes
Track progress, reduce guesses, and build a better solving rhythm over time.
Shareable Wins
Capture puzzle achievements and challenge friends to solve the same grid.
How to play Sudoku
Simple rules, deep logic.
Fill every row
Each row must contain the digits 1 to 9 once.
Check every column
Each column also needs every digit exactly once.
Respect every box
Every 3x3 box follows the same 1 to 9 rule.
Sudoku blog
Strategy guides for better solving
Technique
Sudoku Notes Strategy
Learn when notes help, when they slow you down, and how to keep candidates readable.
Daily Practice
Daily Sudoku Benefits
Why a short daily puzzle can sharpen pattern recognition, patience, and concentration.
Ready for your next puzzle?
Start a clean, responsive Sudoku session and train your logic one number at a time.