🔢 Sudoku

Fill the 9×9 grid so each row, column, and box contains 1-9.

A.K.A.

Also known as: Number Place, Su Doku

Category

Sudoku Family

How to Play

1. Fill empty cells with digits 1-9
2. Each row must contain 1-9 exactly once
3. Each column must contain 1-9 exactly once
4. Each 3×3 box must contain 1-9 exactly once
5. Use logic to determine each cell's value

Puzzle Source

🔧 Generator

Puzzles are algorithmically generated on-the-fly.

Source: Algorithmic generation with difficulty grading

Tips & Strategy

• Start by scanning for cells with only one possibility
• Look for numbers that can only go in one place in a row/column/box
• Use pencil marks to track possibilities

Issues & Bugs

🔍 Search existing issues for "Sudoku"

📝 Report a new bug

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Part of the Enigma puzzle collection