Sudoku

Puzzle
Sudoku

Sudoku is the world-famous logic puzzle game that challenges you to fill a 9x9 grid. Fill every empty cell with the correct number while following simple rules that create endless strategic possibilities. With puzzles ranging from beginner to expert, every game offers a rewarding mental workout. Start solving and put your logic to the test!

SOLVE EVERY GRID WITH LOGIC

Every Sudoku puzzle starts with a partially filled 9x9 grid. Your goal is to complete the remaining cells so that each row, column, and 3x3 box contains every number from 1 to 9 exactly once. As more numbers are placed, new patterns and possibilities emerge, rewarding careful observation and logical deduction. Whether you’re tackling an easy puzzle or an expert challenge, success comes from analyzing the board, eliminating impossible choices, and making steady progress one number at a time.

Essential Sudoku Rules

One Number per Row: Each row must contain every number from 1 to 9 exactly once.
One Number per Column: No number can be repeated within the same column.
One Number per Box: Each 3x3 box must also include every number from 1 to 9 without duplicates.
Use Logic, Not Guessing: Every puzzle has a logical solution. Analyze the clues before placing a number.

How to Play

Left Mouse Button: Select a cell
Number Keys (1–9): Enter a number
Delete/Backspace: Clear a cell
Notes Button: Toggle pencil marks