Sudoku
About Sudoku Unblocked
Sudoku unblocked is available to play for free online. Sudoku is the classic logic-based number placement puzzle. The objective is to fill a 9x9 grid with digits so that each column, each row, and each of the nine 3x3 subgrids contain all of the digits from 1 to 9. It requires no math skills, just pure logic and deduction. With multiple difficulty levels, it provides endless mental exercise for beginners and experts alike.
Game Screenshots


How to Play
- Select a cell to fill
- Choose a number from 1 to 9
- Ensure the number is unique in its Row, Column, and 3x3 Box
- Fill the entire board correctly to win
- Use "Undo" if you make a mistake
Game Features
Enhances logic and concentration
Mark potential numbers in cells
Get help when you're stuck
From Easy to Expert
Game Tips & Strategies
- Look for rows or columns with only one missing number
- Use the process of elimination for 3x3 boxes
- Use notes to track possible candidates
- Focus on one number at a time
- Never guess - there is always a logical step
Last Updated: November 29, 2025
Game Rating: 4.9/5 | Category: Puzzle, Sudoku, Number | Platform: Web Browser























