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Puzzles Games → Sudoku Classic Game
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Description of Sudoku Classic Game
Sudoku Classic game is in the category of Puzzles Games and you can play this free game at OB Games. You like a classic sudoku? Then Sudoku Classic is the perfect game for you! In Sudoku Classic you must add the correct numbers to the columns to solve the game.
Instructions:
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:
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 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.
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.
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.
Classic Nonogram
Classic Nonogram
If you love Sudoku, then you will definitely like this new puzzle game!
The goal of the game is to determine which cells need to be painted over and which ones should be left empty.
The numbers in the rows and columns will give you a clue, but be careful. There are only three lives!
Instructions:
Tap the cell to fill it
If you love Sudoku, then you will definitely like this new puzzle game!
The goal of the game is to determine which cells need to be painted over and which ones should be left empty.
The numbers in the rows and columns will give you a clue, but be careful. There are only three lives!
Instructions:
Tap the cell to fill it
Sudoku Royal
Sudoku Royal
Do you think you are a sudoku master? You have 4 difficulties to choose from. Try to pass even the extremely challenging levels. Train your brain with this classic version of sudoku, improve your logic and your memory.
Instructions:
The common rules of classic sudoku apply. Choose a square and then click on the number you want to fill. Complete the whole 9x9 game board correctly and pass the level. Use pencil mode to take notes or you can also use the hint button.
Do you think you are a sudoku master? You have 4 difficulties to choose from. Try to pass even the extremely challenging levels. Train your brain with this classic version of sudoku, improve your logic and your memory.
Instructions:
The common rules of classic sudoku apply. Choose a square and then click on the number you want to fill. Complete the whole 9x9 game board correctly and pass the level. Use pencil mode to take notes or you can also use the hint button.
Amazing Sudoku
Amazing Sudoku
Arrange sudoku blocks to solve sudoku 2021 block puzzle and use hints to get help.
Are you looking for exciting new sudoku 2021 tile matching game to play in your free time? Will you like to become the fastest and wittiest sudoku solver in your circle? If that is the case, this amazing sudoku puzzle is the perfect pick for you. Revive the fun and excitement of sudoku classic gaming with this brand newfusion of tile matching and block puzzle sudoku right on your phone’s screen. From smooth and easy gaming controls to challenging new sudoku blocks levels, this game has got everything you need to sharpen your board game puzzle solving skills.
Play Amazing Sudoku Free – Challenging Number Puzzle now!
Instructions:
If you get stuck in the middle of solving a block puzzle level, you can always use sudoku solver hints. The game also offers you options to draft and undo the moves, so you can stay ahead of your game and learn new ways of winning sudoku puzzle.
Arrange sudoku blocks to solve sudoku 2021 block puzzle and use hints to get help.
Are you looking for exciting new sudoku 2021 tile matching game to play in your free time? Will you like to become the fastest and wittiest sudoku solver in your circle? If that is the case, this amazing sudoku puzzle is the perfect pick for you. Revive the fun and excitement of sudoku classic gaming with this brand newfusion of tile matching and block puzzle sudoku right on your phone’s screen. From smooth and easy gaming controls to challenging new sudoku blocks levels, this game has got everything you need to sharpen your board game puzzle solving skills.
Play Amazing Sudoku Free – Challenging Number Puzzle now!
Instructions:
If you get stuck in the middle of solving a block puzzle level, you can always use sudoku solver hints. The game also offers you options to draft and undo the moves, so you can stay ahead of your game and learn new ways of winning sudoku puzzle.
Microsoft Sudoku
Microsoft Sudoku
Use simple logic to fill in the puzzle's nine rows and nine columns with numerals 1-9. Each number can only be used once in a given row or column. Enter the correct number in every grid square to win! Sudoku has two modes: Pen and Pencil.
Instructions:
Click on the pen button, then left-click on a square and drag the cursor up and down to enter your "pen" answer. You can also type in the number. If you're not sure of an answer, you can select the pencil button instead. Mouse over a square and click on the number(s) you want to enter.
Use simple logic to fill in the puzzle's nine rows and nine columns with numerals 1-9. Each number can only be used once in a given row or column. Enter the correct number in every grid square to win! Sudoku has two modes: Pen and Pencil.
Instructions:
Click on the pen button, then left-click on a square and drag the cursor up and down to enter your "pen" answer. You can also type in the number. If you're not sure of an answer, you can select the pencil button instead. Mouse over a square and click on the number(s) you want to enter.
Sudoku Classic
Sudoku Classic
Sudoku is played on a grid of 9 x 9 spaces. Within the rows and columns are 9 “squares” (made up of 3 x 3 spaces). Each row, column and square (9 spaces each) needs to be filled out with the numbers 1-9, without repeating any numbers within the row, column or square. LofGames made a very easy user interface and many more feature for you to enjoy the classical SUDOKU game.
Instructions:
Use mouse or touch pad to play this game.
Sudoku is played on a grid of 9 x 9 spaces. Within the rows and columns are 9 “squares” (made up of 3 x 3 spaces). Each row, column and square (9 spaces each) needs to be filled out with the numbers 1-9, without repeating any numbers within the row, column or square. LofGames made a very easy user interface and many more feature for you to enjoy the classical SUDOKU game.
Instructions:
Use mouse or touch pad to play this game.
Sudoku Classic
Sudoku Classic
You like a classic sudoku? Then Sudoku Classic is the perfect game for you! In Sudoku Classic you must add the correct numbers to the columns to solve the game.
Instructions:
You like a classic sudoku? Then Sudoku Classic is the perfect game for you! In Sudoku Classic you must add the correct numbers to the columns to solve the game.
Instructions:
X To Y: Almost Impossible
X To Y: Almost Impossible
X to Y is a fast-paced precision platform skill game focused on timing, reflexes, and speed control. Guide X through dangerous obstacles, traps, and tight spaces to reach Y. Every move requires perfect acceleration and sharp reactions — one mistake and you fail. Earn up to 3 stars per level to unlock new worlds, including dark mode challenges, auto-movement stages, and physics-based puzzles.
Instructions:
PC (Keyboard)
• WASD / Arrow Keys = Move
• WASD / Arrow Keys and Shift = Fast Move
• WASD / Arrow Keys and Space = Slow Move
PC (Mouse)
• Drag the left mouse button = Move
Mobile/Tablet (Touch)
• Tap & hold to move; drag your finger to move
X to Y is a fast-paced precision platform skill game focused on timing, reflexes, and speed control. Guide X through dangerous obstacles, traps, and tight spaces to reach Y. Every move requires perfect acceleration and sharp reactions — one mistake and you fail. Earn up to 3 stars per level to unlock new worlds, including dark mode challenges, auto-movement stages, and physics-based puzzles.
Instructions:
PC (Keyboard)
• WASD / Arrow Keys = Move
• WASD / Arrow Keys and Shift = Fast Move
• WASD / Arrow Keys and Space = Slow Move
PC (Mouse)
• Drag the left mouse button = Move
Mobile/Tablet (Touch)
• Tap & hold to move; drag your finger to move
Mahjong Triple 3D Tile Match
Mahjong Triple 3D Tile Match
Jump into a fresh and relaxing brain challenge with Mahjong Triple 3D - Tile Match, a fun and addictive match-3 puzzle game that brings the classic mahjong experience into a colorful 3D world! In this game, the tiles are stacked in beautiful 3D shapes. Your goal is simple but satisfying: tap and collect three identical tiles to clear them from the board.
Instructions:
Mouse click or tap to play
Jump into a fresh and relaxing brain challenge with Mahjong Triple 3D - Tile Match, a fun and addictive match-3 puzzle game that brings the classic mahjong experience into a colorful 3D world! In this game, the tiles are stacked in beautiful 3D shapes. Your goal is simple but satisfying: tap and collect three identical tiles to clear them from the board.
Instructions:
Mouse click or tap to play
Ole Bunny
Ole Bunny
Ole Bunny plunges you into a crazy arena where a cute bunny finds himself because of his love for roses ! Now you must show courage and skill to escape the wild bulls and collect as many fragrant roses as possible. Can you become the best bunny matador of all time?
Instructions:
How to play:
• Ole Bunny moves only in an "O" shape.
• Each click changes the direction of movement.
• The compass shows you the way to the roses.
• Eat carrots to gain special abilities.
Ole Bunny plunges you into a crazy arena where a cute bunny finds himself because of his love for roses ! Now you must show courage and skill to escape the wild bulls and collect as many fragrant roses as possible. Can you become the best bunny matador of all time?
Instructions:
How to play:
• Ole Bunny moves only in an "O" shape.
• Each click changes the direction of movement.
• The compass shows you the way to the roses.
• Eat carrots to gain special abilities.
That's My Seat
That's My Seat
That's My Seat! is a fun and engaging logic puzzle game where you must place characters in the correct seats by analyzing clues. Each level presents a new seating challenge with unique rules and relationships between the characters. Study the hints, think carefully, and figure out where everyone belongs. Perfect for fans of logic puzzles, brain games, deduction games, and casual puzzle games that test your thinking skills.
Instructions:
Read the clues and determine where each character should sit. Tap a character and place them in the correct seat based on the hints. Use logic and deduction to solve the seating puzzle. Be careful — each level gives you only two lives. Every incorrect placement costs a life. Arrange everyone correctly to complete the level and unlock new challenges.
That's My Seat! is a fun and engaging logic puzzle game where you must place characters in the correct seats by analyzing clues. Each level presents a new seating challenge with unique rules and relationships between the characters. Study the hints, think carefully, and figure out where everyone belongs. Perfect for fans of logic puzzles, brain games, deduction games, and casual puzzle games that test your thinking skills.
Instructions:
Read the clues and determine where each character should sit. Tap a character and place them in the correct seat based on the hints. Use logic and deduction to solve the seating puzzle. Be careful — each level gives you only two lives. Every incorrect placement costs a life. Arrange everyone correctly to complete the level and unlock new challenges.
Classic Mahjong
Classic Mahjong
"Mahjong Classic" is a classic mahjong solitaire with a unique algorithm for generating levels - a random layout of chips always has a solution! Each playthrough becomes unique, allowing you to play your favorite fields an unlimited amount of times!
In the game you will find popular fields: Turtle, Fort, Crab, Spider, Cat, Dragon and many others.
Play solitaire at your own pace, there is no time limit!
Instructions:
The goal of the game is to clear the field of chips. Choose chips with the same symbols to remove them. Special chips "flowers" are considered paired, and "seasons" are paired. A chip can be selected if it is not blocked by other chips.
If there are no available pairs left on the field, you have lost.
Boosters will help solve solitaire:
1) "Undo" - return the last pair.
2) "Hint" - show a pair.
3) "Spotlight" - simplify the search of chips available for selection.
"Mahjong Classic" is a classic mahjong solitaire with a unique algorithm for generating levels - a random layout of chips always has a solution! Each playthrough becomes unique, allowing you to play your favorite fields an unlimited amount of times!
In the game you will find popular fields: Turtle, Fort, Crab, Spider, Cat, Dragon and many others.
Play solitaire at your own pace, there is no time limit!
Instructions:
The goal of the game is to clear the field of chips. Choose chips with the same symbols to remove them. Special chips "flowers" are considered paired, and "seasons" are paired. A chip can be selected if it is not blocked by other chips.
If there are no available pairs left on the field, you have lost.
Boosters will help solve solitaire:
1) "Undo" - return the last pair.
2) "Hint" - show a pair.
3) "Spotlight" - simplify the search of chips available for selection.
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.
Kaboom Miner
Kaboom Miner
A fast-paced logical arcade inspired by classic Boulder Dash, but taken to the next level with massive chain explosions.
Your goal is simple—but dangerous: destroy all 50 explosive crates. Use falling stones, carefully placed bombs, and clever terrain manipulation to trigger devastating chain reactions. Every move matters. Push stones, move crates, build bridges from bricks, and even trap the Ghost before finishing it off.
Instructions:
On desktop: WASD directions, Q place bomb, SPACE place brick, P pause, ESC quit; on mobile: D-pad and buttons
A fast-paced logical arcade inspired by classic Boulder Dash, but taken to the next level with massive chain explosions.
Your goal is simple—but dangerous: destroy all 50 explosive crates. Use falling stones, carefully placed bombs, and clever terrain manipulation to trigger devastating chain reactions. Every move matters. Push stones, move crates, build bridges from bricks, and even trap the Ghost before finishing it off.
Instructions:
On desktop: WASD directions, Q place bomb, SPACE place brick, P pause, ESC quit; on mobile: D-pad and buttons
Tripeaks Solitaire Escapes
Tripeaks Solitaire Escapes
Play Solitaire TriPeaks Escapes, a relaxing card game with a warm summer vibe. Explore hundreds of unique solitaire levels featuring stunning graphics and vibrant beach landscapes. Master challenging card puzzles using powerful boosters, train your brain and sharpen your strategy. Dive into this colorful TriPeaks world and enjoy a soothing, slow-paced adventure. Escape the daily grind and find your zen in every hand you play!
Instructions:
A face-up card is shown at the bottom of the screen. Choose cards from the tableau that are one point higher or lower in value than the current card. If no moves are available, draw the next card from the deck. Your goal is to clear the entire layout. Plan your moves carefully and use helpful boosters to beat challenging levels.
Play Solitaire TriPeaks Escapes, a relaxing card game with a warm summer vibe. Explore hundreds of unique solitaire levels featuring stunning graphics and vibrant beach landscapes. Master challenging card puzzles using powerful boosters, train your brain and sharpen your strategy. Dive into this colorful TriPeaks world and enjoy a soothing, slow-paced adventure. Escape the daily grind and find your zen in every hand you play!
Instructions:
A face-up card is shown at the bottom of the screen. Choose cards from the tableau that are one point higher or lower in value than the current card. If no moves are available, draw the next card from the deck. Your goal is to clear the entire layout. Plan your moves carefully and use helpful boosters to beat challenging levels.
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.
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.