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Sudoku Classic

Sudoku Classic

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Word Adventures

Word Adventures

Find the Candy Winter

Find the Candy Winter

Abandoned Forest House

Abandoned Forest House

Fit Em All

Fit Em All

Water Sort Puzzle 2

Water Sort Puzzle 2

Sock Flow

Sock Flow

Corsair Girl Escape

Corsair Girl Escape

Find Cat 2

Find Cat 2

Draw and Guess

Draw and Guess

Spot the Differences

Spot the Differences

Merge the Numbers

Merge the Numbers

Charge Now

Charge Now

Tower Loot

Tower Loot

Sliding Escape

Sliding Escape

Words Family

Words Family

Learning English: Word Connect

Learning English: Word Connect

Fervent Frog Escape

Fervent Frog Escape

Numbers Challenge

Numbers Challenge

Hidden Investigation: Who Did It?

Hidden Investigation: Who Did It?

Public Park Differences

Public Park Differences

Vintage Sports Car Difference

Vintage Sports Car Difference

Diver Escape

Diver Escape

Join Blocks

Join Blocks

Paper Blocks Hexa

Paper Blocks Hexa

November Rain Match 3

November Rain Match 3

Pull the Pin

Pull the Pin

Beaver Bomber

Beaver Bomber

Sort It 3D

Sort It 3D

Mafia Poker

Mafia Poker

Banana Poker

Banana Poker

Doodle God: Fantasy World of Magic

Doodle God: Fantasy World of Magic

Creepy Basement Escape Episode

Creepy Basement Escape Episode

Christmas Five Differences

Christmas Five Differences

Number Puzzle

Number Puzzle

Bomb It 5

Bomb It 5

Pixel Soldier Memory

Pixel Soldier Memory

Amazing Sticky Hex

Amazing Sticky Hex

Pull Rocket

Pull Rocket

Jimbo Jump

Jimbo Jump

Checkers 3D

Checkers 3D

Cricket Hero

Cricket Hero

Annie Wedding Shopping

Annie Wedding Shopping

Fidget Spinner Sci Fi X Racer

Fidget Spinner Sci Fi X Racer

Ariel and Mysterious Perfume

Ariel and Mysterious Perfume

Instagirls Christmas Dress Up

Instagirls Christmas Dress Up

Hoop Stack

Hoop Stack

Geometry Dash Classic

Geometry Dash Classic

Sherwood Shooter

Sherwood Shooter

True Hero

True Hero

Raging Fist

Raging Fist
Hot Games
Decoration Label

Editor's Choice

Pool Mania

Pool Mania

Traffic Control

Traffic Control

Top Guns IO

Top Guns IO

Hello Kitty and Friends Finder

Hello Kitty and Friends Finder

Bridge Legends Online

Bridge Legends Online

Om Nom Connect Classic

Om Nom Connect Classic

Fireboy & Watergirl 6: Fairy Tales

Fireboy & Watergirl 6: Fairy Tales

Guns & Glory Heroes

Guns & Glory Heroes

Brawlhalla Grand Slam

Brawlhalla Grand Slam

Home Appliance: Insurrection

Home Appliance: Insurrection

Domino Battle

Domino Battle

TrackMania Blitz

TrackMania Blitz

Year Round Fashionista Curly

Year Round Fashionista Curly
Sudoku Classic
4.2
Rating
57 votes

It’s 9 Columns, Rows, and Boxes – You Know What to Do!

We’ve got the completely stripped-down experience for any of those nostalgic sudoku players out there with this simple and addictive Sudoku Classic online game. It’s black and white, free, and guaranteed to keep your brain working. Never played before? Here’s how it works: you need to fill in every row, column, and 9 x 9 box in this game with the numbers 1-9, never repeating a number. The harder the puzzle, the fewer numbers you start with. Got it? 

Sudoku Classic Is Boredom’s Worst Enemy

If there’s another unblocked game you can play for hours and hours without getting bored, we don’t know it. This epic game is like a new version every time you play, since each puzzle presents you with different starting numbers. If you want, you can ignore the timer and just relax, but if you’re competitive, try to beat our record of 6 minutes. It’s Sudoku Classic time, numbers whiz!