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Puzzles Games → Sudoku Challenge Game
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Description of Sudoku Challenge Game
Sudoku Challenge game is in the category of Puzzles Games and you can play this free game at OB Games. If you're up for a Sudoku Challenge, you should really play this challenging sudoku game! Add numbers and complete each sudoku puzzle.
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:
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.
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.
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.
Nonogram Picture Cross
Nonogram Picture Cross
Discover the mystery of picture cross number puzzles! Solve the nonogram puzzles with simple rules and challenging solutions to uncover the picture! Exercise your logic with a picture cross game and become a real Nonogram master!
Nonograms are addictive number puzzles that combine logic with pixel art. Reveal hidden pictures on the puzzle pages based on the numbers lined up in both directions! To solve the picture cross puzzle, follow the clues that will help you color the squares to complete the line and choose which of them have to stay empty. If you fill in all the right squares in this pic cross puzzle, you will uncover a lovely pixel art picture! This is the main point of the picture cross quiz.
Instructions:
Left mouse
Discover the mystery of picture cross number puzzles! Solve the nonogram puzzles with simple rules and challenging solutions to uncover the picture! Exercise your logic with a picture cross game and become a real Nonogram master!
Nonograms are addictive number puzzles that combine logic with pixel art. Reveal hidden pictures on the puzzle pages based on the numbers lined up in both directions! To solve the picture cross puzzle, follow the clues that will help you color the squares to complete the line and choose which of them have to stay empty. If you fill in all the right squares in this pic cross puzzle, you will uncover a lovely pixel art picture! This is the main point of the picture cross quiz.
Instructions:
Left mouse
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.
Sudoku Challenge
Sudoku Challenge
If you're up for a Sudoku Challenge, you should really play this challenging sudoku game! Add numbers and complete each sudoku puzzle.
Instructions:
If you're up for a Sudoku Challenge, you should really play this challenging sudoku game! Add numbers and complete each sudoku puzzle.
Instructions:
Sudoku Challenge
Sudoku Challenge
Best HTML5 sudoku game online.
Mutiple game modes and grid sizes for beginner to expert.
Complete Sudoku tutorial and Sudoku user guide.
Instructions:
Click a cell and select the right number
Best HTML5 sudoku game online.
Mutiple game modes and grid sizes for beginner to expert.
Complete Sudoku tutorial and Sudoku user guide.
Instructions:
Click a cell and select the right number
sudokuchalleng to
sudokuchalleng to
Soccer Duel
Soccer Duel
An exciting game in the style of table football, which you can play both alone and with friends on the same device or over the network.
Instructions:
Use the mouse on your computer or tap your finger on your mobile device to control the characters on the field.
An exciting game in the style of table football, which you can play both alone and with friends on the same device or over the network.
Instructions:
Use the mouse on your computer or tap your finger on your mobile device to control the characters on the field.
Seat Puzzle Cut The Rope
Seat Puzzle Cut The Rope
Face a wildly satisfying brain challenge in Seat Puzzle - Cut The Rope. This addictive puzzle game blends smart logic with relaxing casual gameplay, creating the perfect experience for those who love thinking fast and solving clever challenges! In each level, chairs are bound by ropes. Your task is to cut the ropes according to the passengers' colors.
Instructions:
Mouse click or tap to play
Face a wildly satisfying brain challenge in Seat Puzzle - Cut The Rope. This addictive puzzle game blends smart logic with relaxing casual gameplay, creating the perfect experience for those who love thinking fast and solving clever challenges! In each level, chairs are bound by ropes. Your task is to cut the ropes according to the passengers' colors.
Instructions:
Mouse click or tap to play
Pool Duel
Pool Duel
Keep your focus sharp as the clock ticks down, knowing that timing and precision will lead you to victory. Master your aim and cue control, because flawless execution and smart strategy separate true champions from the rest in every challenging match.
Instructions:
Players alternate turns to pocket all assigned balls (stripes or solids) and finally the 8-ball. Each shot must be made within 30 seconds. Earn prize money to unlock new cues and table skins. Play strategically to outscore your opponent and win matches.
Keep your focus sharp as the clock ticks down, knowing that timing and precision will lead you to victory. Master your aim and cue control, because flawless execution and smart strategy separate true champions from the rest in every challenging match.
Instructions:
Players alternate turns to pocket all assigned balls (stripes or solids) and finally the 8-ball. Each shot must be made within 30 seconds. Earn prize money to unlock new cues and table skins. Play strategically to outscore your opponent and win matches.
Prison Master: Escape Journey
Prison Master: Escape Journey
Prison Master Escape Journey is a thrilling prison escape simulator that challenges your brain and strategic thinking! Trapped inside a high-security prison, you must plan every move carefully and begin an intense adventure toward freedom.
Instructions:
Mouse click or tap to play
Prison Master Escape Journey is a thrilling prison escape simulator that challenges your brain and strategic thinking! Trapped inside a high-security prison, you must plan every move carefully and begin an intense adventure toward freedom.
Instructions:
Mouse click or tap to play
Super Brain
Super Brain
In the game, you'll control a character sprinting down a track, but your path is blocked by a series of "Gates of Knowledge." Each gate presents an interesting question, and you must choose the lane corresponding to the correct answer in a short amount of time to pass through. A wrong choice ends the run! As you get faster, the questions become trickier. This game tests not only your knowledge but also your on-the-spot reaction skills. Come join this dual challenge of brain and speed!
Instructions:
- Swipe Left/Right : Move your character into the lane that represents the correct answer.
- Make your choice quickly, because your character never stops running!
In the game, you'll control a character sprinting down a track, but your path is blocked by a series of "Gates of Knowledge." Each gate presents an interesting question, and you must choose the lane corresponding to the correct answer in a short amount of time to pass through. A wrong choice ends the run! As you get faster, the questions become trickier. This game tests not only your knowledge but also your on-the-spot reaction skills. Come join this dual challenge of brain and speed!
Instructions:
- Swipe Left/Right : Move your character into the lane that represents the correct answer.
- Make your choice quickly, because your character never stops running!
Rainbow Friends Hide And Seek
Rainbow Friends Hide And Seek
Rainbow Friends Hide And Seek is an exciting and fast-paced hide-and-seek adventure game set in a colorful yet dangerous rainbow world. Step into this thrilling role-playing experience, choose your role, and get ready for an unforgettable adventure.
Instructions:
Mouse click or tap to play
Rainbow Friends Hide And Seek is an exciting and fast-paced hide-and-seek adventure game set in a colorful yet dangerous rainbow world. Step into this thrilling role-playing experience, choose your role, and get ready for an unforgettable adventure.
Instructions:
Mouse click or tap to play
Forest Survivor Rougelike
Forest Survivor Rougelike
Forest Survivor Roguelike is an addictive simulator adventure game that throws you into a dangerous forest. Only the strongest survivor can survive. From the very first moment, you must fight, explore, and adapt to stay alive in this intense roguelike world. Every step in the forest is a new challenge.
Instructions:
Mouse click or tap to play
Forest Survivor Roguelike is an addictive simulator adventure game that throws you into a dangerous forest. Only the strongest survivor can survive. From the very first moment, you must fight, explore, and adapt to stay alive in this intense roguelike world. Every step in the forest is a new challenge.
Instructions:
Mouse click or tap to play
Arrows Puzzle Escape
Arrows Puzzle Escape
Arrows – Puzzle Escape is an addictive puzzle game that combines deep logic challenges and a thrilling escape experience. Every level throws you into a jam-packed arrow maze where only smart planning can set you free. Arrows point in different directions, blocking each other and creating tricky jam situations.
Instructions:
Mouse click or tap to play
Arrows – Puzzle Escape is an addictive puzzle game that combines deep logic challenges and a thrilling escape experience. Every level throws you into a jam-packed arrow maze where only smart planning can set you free. Arrows point in different directions, blocking each other and creating tricky jam situations.
Instructions:
Mouse click or tap to play
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.
Challenger City Driver
Challenger City Driver
Get ready to skid the wheels of a stunning muscle through an expansive morning city map! Customize and upgrade your sports car with cool upgradables and become the best driver in the city. Take your dog with you in 3 driving challenges and conquer the missions together. Use nitro to beat slow traffic and beat all speed, stunt and drift triggers spread across the map. Are you ready to show your driving skills? Prove yourself!
Instructions:
Car:
Arrow Keys/W, A, S, D: Drive/Steer/Brake
C: Change Camera
F: Nitro
Character:
Arrow Keys/W,A,S,D: Move
Mouse Orbit: Look Around
Get ready to skid the wheels of a stunning muscle through an expansive morning city map! Customize and upgrade your sports car with cool upgradables and become the best driver in the city. Take your dog with you in 3 driving challenges and conquer the missions together. Use nitro to beat slow traffic and beat all speed, stunt and drift triggers spread across the map. Are you ready to show your driving skills? Prove yourself!
Instructions:
Car:
Arrow Keys/W, A, S, D: Drive/Steer/Brake
C: Change Camera
F: Nitro
Character:
Arrow Keys/W,A,S,D: Move
Mouse Orbit: Look Around
Flag Master: World Flags Quiz
Flag Master: World Flags Quiz
Flag Master is the ultimate test of your flag knowledge and geography skills! Paint and recreate flags, solve jigsaw puzzles, guess capitals, match neighboring countries, and take on a variety of engaging challenges in a fun, fast-paced experience.
Instructions:
Click to select answers, paint flags, and flip cards.
Drag and drop to move puzzle pieces and sort flags.
Flag Master is the ultimate test of your flag knowledge and geography skills! Paint and recreate flags, solve jigsaw puzzles, guess capitals, match neighboring countries, and take on a variety of engaging challenges in a fun, fast-paced experience.
Instructions:
Click to select answers, paint flags, and flip cards.
Drag and drop to move puzzle pieces and sort flags.
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.