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Ultimate Sudoku Timed Puzzle Game with Easy & Hard Level

This is a free online version of the classic Sudoku number puzzle game that people enjoy. Players must fill in the vertical and horizontal squares with numbers from 1 to 9. As a main rule, each row, column, and 3 x 3 block must contain the numbers 1 to 9 only once. Once you figure out the correct number for every square, you solve the puzzle. This version is played with a timer and comes with three difficulty modes: Beginner, Intermediate, and Advanced. Try to solve the puzzle as fast as you can.

  • Each row, column, and 3 x 3 block contains 9 squares. Fill each square with the correct number.
  • The puzzle has numbers in random squares. Use these numbers as clues to figure out what number to write.
  • The beginner mode has more numbers as clues, while harder modes haver fewer random numbers.
  • You can use a hint if you need help. Players can also put notes on squares to help guide them.
  • Try to solve the puzzle as fast as you can. You may also choose to solve it without a timer.

Overall

Design

Difficulty

Replay

Play Ultimate Sudoku Number Puzzle Online for Free

Kids and parents can play this classic sudoku video game online by clicking in the window below.

Alternatively children and adults can play this sudoku online game with answers as a web application here.

Timed Ultimate Sudoku Game for Beginners Play Instructions

How to Play

Fill in the horizontal and vertical squares with numbers from 1 to 9. To solve the puzzle, each column, row, and 3 x 3 block should have the numbers 1 to 9 only once.

  • Starting the Game
    • Select the “PLAY” button at the bottom of the screen to begin the game.
    • This takes you to the level selection screen. Choose from three difficulty modes:
      • Beginner – easy level puzzles
      • Intermediate – slightly harder puzzles
      • Advanced – the hardest puzzles, wait for it to load
    • On the top right corner of the screen is the audio button. Select this to mute or unmute the game’s sound effects.
    • On the top left corner of the screen is the “i” button. It shows information about the developer.
    • On the top left corner of the screen, beside the “i,” is the full view button. Select this to put your screen in full view mode.
      • To go back to your original view, select it again or press ESC on your keyboard.
  • Game Controls
    • Touchscreen
      • To put a number in a square, simply tap the square. Then, on the bottom of the screen, select a number from 1 to 9.
      • The number you tapped will appear on the square you selected.
      • To delete a number, simply select the square. Then, at the bottom of the screen, tap the “X” button. This removes the number.
      • To put a small number note on a box, select the “black dot” button at the bottom of the screen. This allows you to place a number if you’re still unsure of you’re answer.
      • If a number is incorrect, it cannot be entered in a square. The game highlights where the same number appears horizontally or vertically in the same line.
    • Mouse and Keyboard
      • To put a number, simply left click on a square. Then, on the bottom of the screen, click any number from 1 to 9.
      • The number you clicked will appear on the square you selected.
      • Alternatively, you can use your keyboard to type the number.
      • To delete the number, click the square. Then, at the bottom of the screen, tap the “X” button. This removes the number.
      • To put a small number note on a box, select the “black dot” button at the bottom of the screen. This allows you to place a number if you’re still unsure of you’re answer.
      • allows you to place a number if you’re still unsure of you’re answer.
      • If a number is incorrect, it cannot be entered in a square. The game highlights where the same number appears horizontally or vertically in the same line.
    • In-Game Interface
      • The timer is displayed at the top left corner of the screen. This shows how long you’ve been playing a game.
      • Next to the timer is the “?” button. Select this if you need to view the game’s rules.
      • At the top left corner is the “X” button. Select this to pause or exit the game.
        • A white screen covers the sudoku board when paused. This keeps you from solving the game on break.
        • If you select check, it will return to the opening screen. If you select “X,” it will resume the game.
        • Going to or opening another browser window automatically pauses the game and stops the timer.
        • When paused, select anywhere on the screen to go back to playing the game.
      • Next to the “X” button is the audio button. Select this to mute or unmute the game’s sound effects.
      • Beside the audio button is the a cog icon. This is the setting button. When you select this, a screen shows other in-game options:
        • The 1st is a lightbulb button. Select this to get a hint. It enters the right number in a selected square.
        • The 2nd is a note and pencil button. Select this to fill the entire board with notes on possible answers. Notes serve as clues to solve the puzzle.
        • The 3rd is a puzzle piece button. Click or tap this to automatically solve the sudoku puzzle and give you the answers.
        • The 4th is a full screen button. Select this to go on full screen mode. To return to normal view, select it again or press ESC on your keyboard.
        • The 4th is the reset button. Click or tap this is you want to restart your existing game.
        • The 5th is a note with eraser button. This deletes all previous notes you wrote in the puzzle.
        • Finally, the 6th button is a timer. Select this if you want to play a game that is not timed.
  • Strategy
    • This is a classic game of sudoku that comes with easy, medium, and hard game mode options.
    • If you want to play a quick game, choose the easy mode. Harder puzzles take longer to solve.
    • The rule is simple. You cannot repeat the same number from 1 to 9 across vertical or horizontal squares. You also cannot repeat any number inside the 3 x 3 blocks.
    • Each puzzle starts with numbers randomly placed in squares. Based on these squares, try to figure out the correct order of numbers vertically and horizontally.
    • The more numbers you put in each row and column, the easier you can solve for other empty squares.
    • Tips In Solving Empty Squares
      • When you select an empty square without a number, the sudoku board highlights that entire block as well as the vertical and horizontal squares in orange.
      • Use the highlight feature to help you focus on seeing boxes that are not filled yet. This gives you an idea which numbers might possible go in the remaining empty blocks.
      • When you click a box with a number, the sudoku board highlights all squares with that number in blue.
      • Use this number highlight feature to assess which blocks do not have that same number yet. By process of elimination, this will help you know if you can put that same number in a square or not.
      • There are times you’re not sure yet whether a square should have this or that number. When this happens, make use of the notes feature to leave a mark on the square. This makes it easier to remember.
      • You can use the hint feature. This puts a number on a selected square. However, this feature deducts points in your game. So don’t use too many hints.
    • Learning this game is fun and engaging. It takes time to get used to the rules. To practice, you can always use the “Solve Sudoku” game feature to study the right answers.
    • You can choose not to time your game. But if you’re feeling competitive, compare game times with friends playing the same level. Try to solve the puzzle in the shortest time possible.

Like This Game? Review Ultimate Sudoku Game Online with Answers

Ultimate Sudoku Timed Puzzle Game with Easy & Hard Level
4 / 5 Editor
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Overall4
Design4.2
Fun3.9
Originality3.8
Replayability4.3
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Ultimate Sudoku with Easy and Hard Levels Game Screenshot

Ultimate Sudoku Welcome Screen Screenshot.
Ultimate Sudoku Game Levels Screenshot.
Ultimate Sudoku Game Screenshot.
Ultimate Sudoku Game  Hint Screenshot.
Ultimate Sudoku Game Completed Screenshot.
Ultimate Sudoku Game Settings Screenshot.
Ultimate Sudoku Game How-To Screenshot.
Ultimate Sudoku Game Rules Screenshot.

Mobile Friendly Cross Browser Support

This game is rendered in mobile-friendly HTML5, so it offers cross-device gameplay. You can play it on mobile devices like Apple iPhones, Google Android powered cell phones from manufactures like Samsung, tablets like the iPad or Kindle Fire, laptops, and Windows-powered desktop computers. All game files are stored locally in your web browser cache. This game works in Apple Safari, Google Chrome, Microsoft Edge, Mozilla Firefox, Opera and other modern web browsers.

This game was published using our teamwide Plays.org account. If you have any comments, questions, concerns, or others (are there others even???) you can use the comments below to send along your 2 cents and help us improve the site further :) Your 2 cents plus 3 cents will buy you a nickel, but if your comments are genuinely useful and/or helpful and/or funny and/or memorable in a good way, we will probably say thanks :D

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One comment on "Ultimate Sudoku Timed Puzzle Game with Easy & Hard Level"

  • Joey says:

    It’s your standard sudoku game. The rules are the same. Make sure each row of numbers and each block contains a unique variation of digits. You get three different levels of difficulty at the start of the game. Besides that, your game has a timer and the ability to provide hits. Pass the time and put your deductive reasoning skills to the test.

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