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Puzzles Games → Sudoku Game
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Description of Sudoku Game
Sudoku game is in the category of Puzzles Games and you can play this free game at OB Games. Sudoku is a game.Puzzles are divided into different levels of difficulty - fun for beginners and Sudoku experts.Think carefully, seek the best solution, and exercise super brain.As the game progresses, it will become more and more difficult. Take good care of it. Come on!
Instructions:
Click on the correct number with the mouse, fill it and win
General Instructions:
You can play this game for free. On your computer, you can play this game with your mouse or the arrow keys on your keyboard. On your mobile phone or tablet, you can play this game on touch screens by tapping or swiping. The game should fit on your screen. If there is a notification about the orientation of your phone or tablet, please rotate your phone or tablet to correct the orientation. Refresh the page if necessary. If you need help, please leave a comment below the game. You can open other games from below by selecting the recommended games, next or previous games. You can also browse the category you want to play. We wish you luck...
Recommended Games:
Sudoku
Sudoku
Sudoku is a relaxing yet challenging number puzzle game made for Jio feature phones. Fill the 9×9 grid with numbers 1 to 9 without repeating any in a row, column, or 3×3 box. Choose from different difficulty levels and test your logic skills. The game works offline, saves your progress automatically, and offers smooth performance with clean visuals for KaiOS devices.
Instructions:
Start Sudoku by selecting a difficulty level. Fill each row, column, and 3x3 grid with numbers from 1 to 9 without repeating any number. Tap a cell to select it, then choose a number to fill in. Use the erase button to clear mistakes. The game ends when all cells are correctly filled. Try to complete the puzzle as fast as possible.
Sudoku is a relaxing yet challenging number puzzle game made for Jio feature phones. Fill the 9×9 grid with numbers 1 to 9 without repeating any in a row, column, or 3×3 box. Choose from different difficulty levels and test your logic skills. The game works offline, saves your progress automatically, and offers smooth performance with clean visuals for KaiOS devices.
Instructions:
Start Sudoku by selecting a difficulty level. Fill each row, column, and 3x3 grid with numbers from 1 to 9 without repeating any number. Tap a cell to select it, then choose a number to fill in. Use the erase button to clear mistakes. The game ends when all cells are correctly filled. Try to complete the puzzle as fast as possible.
Sudoku Brain Blocks
Sudoku Brain Blocks
Sudoku Brain Blocks is a relaxing yet addictive online puzzle game that blends classic Sudoku logic with block-fitting challenges (Tetris style). Drag and drop various shaped blocks onto a 9×9 grid to complete full rows, columns, or 3×3 squares to clear the board and earn high scores. Use strategy and planning to avoid running out of space and test your brain with every move!
Instructions:
Drag and drop the given blocks onto the 9×9 grid. Complete full rows, columns, or 3×3 squares to clear them and score points. Plan your moves carefully—once there’s no space left for the blocks, the game is over.
Sudoku Brain Blocks is a relaxing yet addictive online puzzle game that blends classic Sudoku logic with block-fitting challenges (Tetris style). Drag and drop various shaped blocks onto a 9×9 grid to complete full rows, columns, or 3×3 squares to clear the board and earn high scores. Use strategy and planning to avoid running out of space and test your brain with every move!
Instructions:
Drag and drop the given blocks onto the 9×9 grid. Complete full rows, columns, or 3×3 squares to clear them and score points. Plan your moves carefully—once there’s no space left for the blocks, the game is over.
Number Place Travel
Number Place Travel
Fill the grid with numbers 1–9 so that no same number appears in any row, column, or 3×3 block!
Tap a cell and choose a number to place it.
You can make up to 3 mistakes. Fill in everything correctly to clear the puzzle!
Instructions:
Tap to select cell and numbers.
Fill the grid with numbers 1–9 so that no same number appears in any row, column, or 3×3 block!
Tap a cell and choose a number to place it.
You can make up to 3 mistakes. Fill in everything correctly to clear the puzzle!
Instructions:
Tap to select cell and numbers.
Queens Royal: Sudoku Puzzle
Queens Royal: Sudoku Puzzle
Queens Royal: Sudoku Puzzle reimagines the classic eight queens challenge into a sleek logic game with over 5,000 levels. Place queens strategically so none share a row, column, or color zone while avoiding attacks in all directions. With elegant visuals, daily challenges, endless mode, and smart hints, every puzzle offers a unique test of reasoning and precision for players who enjoy refined brain-teasers.
Instructions:
Your goal is to position one queen in each row, column, and color zone on the grid without letting any two queens attack one another—even diagonally. Each puzzle has exactly one solution, so every move requires careful reasoning rather than guesswork. Start by analyzing available safe spots, then place queens strategically to avoid conflicts. If you get stuck, use hints for subtle guidance without revealing the full solution.
Queens Royal: Sudoku Puzzle reimagines the classic eight queens challenge into a sleek logic game with over 5,000 levels. Place queens strategically so none share a row, column, or color zone while avoiding attacks in all directions. With elegant visuals, daily challenges, endless mode, and smart hints, every puzzle offers a unique test of reasoning and precision for players who enjoy refined brain-teasers.
Instructions:
Your goal is to position one queen in each row, column, and color zone on the grid without letting any two queens attack one another—even diagonally. Each puzzle has exactly one solution, so every move requires careful reasoning rather than guesswork. Start by analyzing available safe spots, then place queens strategically to avoid conflicts. If you get stuck, use hints for subtle guidance without revealing the full solution.
Sudoku Vault
Sudoku Vault
Sudoku Vault is a logic-based puzzle game featuring 4x4, 6x6, and 9x9 boards — each with four difficulty levels: Basic, Normal, Hard, and Expert. Whether you're a beginner or an expert, every grid offers a fresh challenge for your mind. Use smart NOTES to keep track of possibilities, and when you want to check your progress, tap the CHECK button — it will remove incorrect inputs and lock the correct ones, helping you stay focused on the solution.
Instructions:
Use a mouse or touchpad to select a cell, then choose a number from the on-screen number pad to fill it in. Use the Note button to toggle pencil marks, and tap Check to validate your entries — incorrect numbers are removed, and correct ones are locked.
Sudoku Vault is a logic-based puzzle game featuring 4x4, 6x6, and 9x9 boards — each with four difficulty levels: Basic, Normal, Hard, and Expert. Whether you're a beginner or an expert, every grid offers a fresh challenge for your mind. Use smart NOTES to keep track of possibilities, and when you want to check your progress, tap the CHECK button — it will remove incorrect inputs and lock the correct ones, helping you stay focused on the solution.
Instructions:
Use a mouse or touchpad to select a cell, then choose a number from the on-screen number pad to fill it in. Use the Note button to toggle pencil marks, and tap Check to validate your entries — incorrect numbers are removed, and correct ones are locked.
Sudoku Relax
Sudoku Relax
Sudoku Relax is a fresh take on the world-famous sudoku puzzle that you can enjoy anytime and anywhere. This free sudoku game keeps the classic rules but adds a clean, colorful design and smooth controls, making it ideal for both beginners and seasoned puzzle lovers. Simply fill the grid with numbers from 1 to 9 without repeating them in any row, column, or 3×3 square. Train your brain, challenge yourself, and enjoy one of the most beloved logic games in the world with Sudoku Relax!
Instructions:
Tap or click on any empty cell and choose a number from 1 to 9. Your goal is to ensure that each row, column, and 3×3 block contains all digits without repetition. If you’re unsure, use notes to mark possible numbers and refine them as you go. You can easily erase mistakes and keep solving at your own pace.
Sudoku Relax is a fresh take on the world-famous sudoku puzzle that you can enjoy anytime and anywhere. This free sudoku game keeps the classic rules but adds a clean, colorful design and smooth controls, making it ideal for both beginners and seasoned puzzle lovers. Simply fill the grid with numbers from 1 to 9 without repeating them in any row, column, or 3×3 square. Train your brain, challenge yourself, and enjoy one of the most beloved logic games in the world with Sudoku Relax!
Instructions:
Tap or click on any empty cell and choose a number from 1 to 9. Your goal is to ensure that each row, column, and 3×3 block contains all digits without repetition. If you’re unsure, use notes to mark possible numbers and refine them as you go. You can easily erase mistakes and keep solving at your own pace.
Sudoku Garden
Sudoku Garden
Players must expand their thinking to solve puzzles in adventures. Learn to approach problems from different angles and discover hidden clues and patterns to overcome challenges. These games test wit while fueling interest and challenge-seeking mentality.
Instructions:
1. Clear blocks with specific rules to solve each stage's puzzle.
2. Strategically combine character skills to unlock advanced levels.
3. Every uniquely designed stage challenges your powers of observation and logical thinking.
Players must expand their thinking to solve puzzles in adventures. Learn to approach problems from different angles and discover hidden clues and patterns to overcome challenges. These games test wit while fueling interest and challenge-seeking mentality.
Instructions:
1. Clear blocks with specific rules to solve each stage's puzzle.
2. Strategically combine character skills to unlock advanced levels.
3. Every uniquely designed stage challenges your powers of observation and logical thinking.
Sudoku Master
Sudoku Master
Sudoku by in8finity is a classic puzzle game with a sleek dark theme, offering a smooth and enjoyable experience. Flexible settings let you adjust the difficulty to match your skill level. With intuitive controls and eye-friendly visuals, you can focus on solving puzzles without distractions. More than just a game, Sudoku trains logic, concentration, and memory. Challenge yourself and enjoy relaxing, distraction-free gameplay!
Instructions:
Sudoku is a logic-based puzzle where you must fill a 9×9 grid so that every row, every column, and each of the nine 3×3 squares contain the numbers 1 to 9 without repetition.
Select an empty cell and enter a number that follows the rules. Use logic and elimination to find the correct solutions. If you make a mistake, you can change the number or use hints.
Customize the difficulty to your liking, play at your own pace, and enjoy the challenge!
Sudoku by in8finity is a classic puzzle game with a sleek dark theme, offering a smooth and enjoyable experience. Flexible settings let you adjust the difficulty to match your skill level. With intuitive controls and eye-friendly visuals, you can focus on solving puzzles without distractions. More than just a game, Sudoku trains logic, concentration, and memory. Challenge yourself and enjoy relaxing, distraction-free gameplay!
Instructions:
Sudoku is a logic-based puzzle where you must fill a 9×9 grid so that every row, every column, and each of the nine 3×3 squares contain the numbers 1 to 9 without repetition.
Select an empty cell and enter a number that follows the rules. Use logic and elimination to find the correct solutions. If you make a mistake, you can change the number or use hints.
Customize the difficulty to your liking, play at your own pace, and enjoy the challenge!
Sudoku Guru - Classic Sudoku
Sudoku Guru - Classic Sudoku
Develop your logic and train your brain in "Sudoku Guru - Classic Sudoku"!
Enjoy Sudoku, solve daily challenges and get trophies for completing tasks.
There are 5 different difficulty levels available to you: easy, medium, difficult, expert and guru. Each level is a unique puzzle.
Track your progress and challenge yourself with the statistics report. This feature adds a competitive element to the game, motivating you to become a real guru.
Instructions:
The goal of Sudoku is to fill the 9x9 playing field (each row, column and 3x3 block) with numbers from 1 to 9. The basic rules of Sudoku are:
- vertical numbers should not be repeated;
- numbers should not be duplicated horizontally;
- a number can appear in a 3x3 square only once.
Develop your logic and train your brain in "Sudoku Guru - Classic Sudoku"!
Enjoy Sudoku, solve daily challenges and get trophies for completing tasks.
There are 5 different difficulty levels available to you: easy, medium, difficult, expert and guru. Each level is a unique puzzle.
Track your progress and challenge yourself with the statistics report. This feature adds a competitive element to the game, motivating you to become a real guru.
Instructions:
The goal of Sudoku is to fill the 9x9 playing field (each row, column and 3x3 block) with numbers from 1 to 9. The basic rules of Sudoku are:
- vertical numbers should not be repeated;
- numbers should not be duplicated horizontally;
- a number can appear in a 3x3 square only once.
Daily Sudoku
Daily Sudoku
Daily Sudoku provides a thought-provoking journey that will keep you engrossed until every puzzle box is filled. If you enjoy challenging your intellect and sharpening your problem-solving skills, then you've come to the perfect spot.
Instructions:
The game's aim is to solve every row, column, and square without repeating numbers one through nine. Ultimately, the objective is to make sure that each row, column, and square contains the numbers one through nine without any duplicates, delivering an exceptional puzzle experience that demands concentration and perseverance.
Daily Sudoku provides a thought-provoking journey that will keep you engrossed until every puzzle box is filled. If you enjoy challenging your intellect and sharpening your problem-solving skills, then you've come to the perfect spot.
Instructions:
The game's aim is to solve every row, column, and square without repeating numbers one through nine. Ultimately, the objective is to make sure that each row, column, and square contains the numbers one through nine without any duplicates, delivering an exceptional puzzle experience that demands concentration and perseverance.
Ultimate Sudoku
Ultimate Sudoku
A puzzle game from Japan that has conquered the whole world.
Fill in the empty cells with numbers from 1 to 9. In each row, column, or 3x3 block, each number can occur only once.
3 different game modes:
Cell first: First click on the cell you want to fill in, and then select a number.
Number First: first click on the number, and then on the cell in which you want to enter this number.
Note Mode: Write down the option in an empty space using the keyboard or the number buttons.
Instructions:
Fill in the blanks with numbers from 1 to 9. Each row, column or 3x3 block, must contain the number 1 through 9 exactly once.
A puzzle game from Japan that has conquered the whole world.
Fill in the empty cells with numbers from 1 to 9. In each row, column, or 3x3 block, each number can occur only once.
3 different game modes:
Cell first: First click on the cell you want to fill in, and then select a number.
Number First: first click on the number, and then on the cell in which you want to enter this number.
Note Mode: Write down the option in an empty space using the keyboard or the number buttons.
Instructions:
Fill in the blanks with numbers from 1 to 9. Each row, column or 3x3 block, must contain the number 1 through 9 exactly once.
Block Puzzle Sudoku
Block Puzzle Sudoku
Easy to play but challenging puzzle game!
Easy to play, but difficult to be a master. The more blocks crush, the more score you will get. Try it and you will love this block puzzle game.
Features of the Block Puzzle Sudoku:
Hours of fun, exciting play.
Innovation of classic brick game.
No time limits.
You can play anytime and anywhere! We really hope you enjoy it!
Instructions:
Place the pieces into the board. Once you fill in a vertical or horizontal line, it will disappear, freeing up space for new pieces.
The game will be over if there is no space for any of the given blocks below the board.
Easy to play but challenging puzzle game!
Easy to play, but difficult to be a master. The more blocks crush, the more score you will get. Try it and you will love this block puzzle game.
Features of the Block Puzzle Sudoku:
Hours of fun, exciting play.
Innovation of classic brick game.
No time limits.
You can play anytime and anywhere! We really hope you enjoy it!
Instructions:
Place the pieces into the board. Once you fill in a vertical or horizontal line, it will disappear, freeing up space for new pieces.
The game will be over if there is no space for any of the given blocks below the board.
Sudoku 4 in 1
Sudoku 4 in 1
Sudoku is a popular logic-based puzzle game that can be played online. The game Sudoku 4 in 1 consists of a 9x9 grid, divided into nine 3x3 sub-grids. The objective of the game is to fill each of the 81 cells in the grid with a number from 1 to 9, with each number appearing only once in each row, column, and sub-grid.
Instructions:
Click and hold on the empty cell where you want to place the number. Drag the number to the empty cell and release the mouse button.
Remember that each number can only appear once in each row, column, and sub-grid. So, as you fill in numbers, be sure to double-check that they are in the correct places.
Sudoku is a popular logic-based puzzle game that can be played online. The game Sudoku 4 in 1 consists of a 9x9 grid, divided into nine 3x3 sub-grids. The objective of the game is to fill each of the 81 cells in the grid with a number from 1 to 9, with each number appearing only once in each row, column, and sub-grid.
Instructions:
Click and hold on the empty cell where you want to place the number. Drag the number to the empty cell and release the mouse button.
Remember that each number can only appear once in each row, column, and sub-grid. So, as you fill in numbers, be sure to double-check that they are in the correct places.
Classic Sudoku Puzzle
Classic Sudoku Puzzle
A sudoku classic game that meets a sudoku grid. Whether you want to train your brain or pass your free time. It’s a calm but challenging puzzle that you’ll be addicted to in no time!
Instructions:
Sudoku classic is a logic-based number puzzle game, which consists of 81 cells which are divided into 9 rows, columns and 3x3 boxes.
The goal is to place the numbers from 1 to 9 into the empty cells in such a way that in every row, column and 3x3 boxes each number appears only once.
Analyse the grid to find the numbers that would fit into each cell.
A sudoku classic game that meets a sudoku grid. Whether you want to train your brain or pass your free time. It’s a calm but challenging puzzle that you’ll be addicted to in no time!
Instructions:
Sudoku classic is a logic-based number puzzle game, which consists of 81 cells which are divided into 9 rows, columns and 3x3 boxes.
The goal is to place the numbers from 1 to 9 into the empty cells in such a way that in every row, column and 3x3 boxes each number appears only once.
Analyse the grid to find the numbers that would fit into each cell.
Wood Block Journey
Wood Block Journey
Wood Block Journey is a woodblock puzzle game that meets a sudoku grid. It’s a calm but challenging puzzle that you’ll be addicted to in no time!
Mode Endless: Place blocks in the 9x9 board and fill rows, columns, or squares to clear them from the game. Play for as long as you can without running out of space to beat your high score!
Mode Level: Place blocks in the 9x9 board and fill rows, columns, or squares to clear them from the game and complete the mission of each level.
Instructions:
Drag shapes onto the board to place them in the grid.
Fill a row, column, or square to clear blocks from the board.
Clear multiple rows, regions, or squares to earn Combo points!
Earn as many points as you can to beat your high score!
Clear gems to complete missions of each level.
Have yourself a woody good time!
Wood Block Journey is a woodblock puzzle game that meets a sudoku grid. It’s a calm but challenging puzzle that you’ll be addicted to in no time!
Mode Endless: Place blocks in the 9x9 board and fill rows, columns, or squares to clear them from the game. Play for as long as you can without running out of space to beat your high score!
Mode Level: Place blocks in the 9x9 board and fill rows, columns, or squares to clear them from the game and complete the mission of each level.
Instructions:
Drag shapes onto the board to place them in the grid.
Fill a row, column, or square to clear blocks from the board.
Clear multiple rows, regions, or squares to earn Combo points!
Earn as many points as you can to beat your high score!
Clear gems to complete missions of each level.
Have yourself a woody good time!
Sudoku Blocks
Sudoku Blocks
A wood block puzzle game meets Sudoku. Test your brain and IQ.
Place wood blocks in a 9x9 square grid and don't run out of space!
Can you be the Woodoku champion?
Instructions:
Drag and drop blocks to form rows, columns and square shapes
A wood block puzzle game meets Sudoku. Test your brain and IQ.
Place wood blocks in a 9x9 square grid and don't run out of space!
Can you be the Woodoku champion?
Instructions:
Drag and drop blocks to form rows, columns and square shapes
Halloween Sudoku
Halloween Sudoku
Sudoku is a famous logic puzzle games. If you like sudoku games, this Halloween Sudoku games is for you. In Halloween Sudoku, you task is to fill all the cells with halloween items. Each row, column or 3x3 cells must contain a halloween item exactly once.
Instructions:
Use mouse to play this sudoku game.
Sudoku is a famous logic puzzle games. If you like sudoku games, this Halloween Sudoku games is for you. In Halloween Sudoku, you task is to fill all the cells with halloween items. Each row, column or 3x3 cells must contain a halloween item exactly once.
Instructions:
Use mouse to play this sudoku game.
New Daily Sudoku
New Daily Sudoku
Sharpen your mind with one of the most popular puzzle games! Featuring new puzzles every day, New Daily Sudoku will improve your memory, problem-solving skills, and it is extremely fun! All you need to do is to place numbers in the 9x9 grid to fill each column, row, and 3x3 grid with numbers 1 to 9. You can't place a number twice in a row, column, and 3x3 grid, so think carefully and try to figure it out. If things are way too easy for you, you can adjust the difficulty. From the calendar, you can pick previous days and play those puzzles too!
Instructions:
Try to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 subgrids that compose the grid contain all of the digits from 1 to 9.
Sharpen your mind with one of the most popular puzzle games! Featuring new puzzles every day, New Daily Sudoku will improve your memory, problem-solving skills, and it is extremely fun! All you need to do is to place numbers in the 9x9 grid to fill each column, row, and 3x3 grid with numbers 1 to 9. You can't place a number twice in a row, column, and 3x3 grid, so think carefully and try to figure it out. If things are way too easy for you, you can adjust the difficulty. From the calendar, you can pick previous days and play those puzzles too!
Instructions:
Try to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 subgrids that compose the grid contain all of the digits from 1 to 9.
Sudoku Challenges
Sudoku Challenges
Sudoku Challenges is a logic-based, combinatorial number-placement puzzle. The objective is to fill a 9 × 9 grid with digits so that each column, each row, and each of the nine 3 × 3 sub-grids that compose the grid (also called "boxes" or "blocks") contain all of the digits from 1 to 9. Each puzzle will start at a partially completed grid, which has a single solution.
Instructions:
Tap a cell to select it.
Tap a digit at the bottom row to fill it into the selected cell.
Use eraser to clear the current cell.
Tap the Note button to turn on the draft mode.
Use hints wisely to reveal any cells.
Sudoku Challenges is a logic-based, combinatorial number-placement puzzle. The objective is to fill a 9 × 9 grid with digits so that each column, each row, and each of the nine 3 × 3 sub-grids that compose the grid (also called "boxes" or "blocks") contain all of the digits from 1 to 9. Each puzzle will start at a partially completed grid, which has a single solution.
Instructions:
Tap a cell to select it.
Tap a digit at the bottom row to fill it into the selected cell.
Use eraser to clear the current cell.
Tap the Note button to turn on the draft mode.
Use hints wisely to reveal any cells.
Sudoku Master
Sudoku Master
Classic sudoku - a numbers puzzle.
The goal of the game is to fill the 9x9 field with numbers from 1 to 9 so that they do not repeat in the same column, row and square.
This game trains the mind, develops logical thinking and attentiveness.
Sudoku Master has several levels, from beginner to expert! Upgrade your Sudoku solving skills and become a Sudoku Master!
Instructions:
The goal of the game is to complete levels from beginner to master in order to pump your rating and reach the pinnacle of Sudoku mastery.
A field with 9x9 cells consists of 9 squares, in each of which you need to enter numbers from 1 to 9. But several rules must be observed:
1. Numbers should not be repeated in one square.
2. Numbers should not be repeated in the same column.
3. Numbers should not be repeated in one line.
Classic sudoku - a numbers puzzle.
The goal of the game is to fill the 9x9 field with numbers from 1 to 9 so that they do not repeat in the same column, row and square.
This game trains the mind, develops logical thinking and attentiveness.
Sudoku Master has several levels, from beginner to expert! Upgrade your Sudoku solving skills and become a Sudoku Master!
Instructions:
The goal of the game is to complete levels from beginner to master in order to pump your rating and reach the pinnacle of Sudoku mastery.
A field with 9x9 cells consists of 9 squares, in each of which you need to enter numbers from 1 to 9. But several rules must be observed:
1. Numbers should not be repeated in one square.
2. Numbers should not be repeated in the same column.
3. Numbers should not be repeated in one line.
Comments to the Game:
Ali | 7/8/2013 11:29:56 AM
I would recommend to anyone to play this super free flash game online. OB Game's other flash games are also superb. I love this site and I would recommend it to anyone.