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Fun Sudoku for Kids
Friendly number puzzles in lots of sizes and styles. Pick a game, choose how easy or tricky, and start playing — no signup, no fuss.
Pick a game
Each one looks different but they all use the same friendly rules.
Classic Sudoku
Fill the grid with numbers. Find where each one belongs!
Killer Sudoku
Fill the cages with numbers. Make each little total add up!
Jigsaw Sudoku
Fill the wiggly shapes with numbers. Find where each one fits!
X-Sudoku
Follow the X! Fill both diagonals with numbers from 1 to 9.
Hyper Sudoku
Four extra boxes, more fun! Fill each one with numbers from 1 to 9.
Circle Sudoku
Round and round! Fill the rings, slices and curved boxes with 1 to 6.
Snowflake Sudoku
A frosty puzzle! Fill each hexagon and line with 1 to 6.
Color Sudoku
Six bright colours! Use each one in every row, column and box.
Shape Sudoku
Six colourful shapes! Use each one in every row, column and box.
Animal Sudoku
Cats, frogs, fish and bees! Find a place for every animal.
Space Sudoku
Blast off! Find a place for every space friend.
Wordoku
Fill the grid with letters. Find the hidden word!
Battleship Sudoku
Ahoy! Solve the numbers and find the hidden ships.
Thermo Sudoku
Start at the bulb and make the numbers grow!
Greater Than Sudoku
Follow the signs! The point faces the smaller number.
Kropki Sudoku
Follow the dots! White means one apart, black means double.
Skyscraper Sudoku
Build a little city! Count the buildings you can see.
12×12 Sudoku
A bigger puzzle adventure! Fill the grid with 1–12.
16×16 Sudoku
Go mega! Fill a giant grid with numbers 1–16.
4×4 Sudoku
Start small! Fill the little grid with numbers 1–4.
6×6 Sudoku
Try the next step! Fill the grid with numbers 1–6.
Grown-ups, ready for a bigger challenge?
Visit Sudoku Online Puzzles — the best sudoku site for adults, with advanced variations and every skill level.
Choose how easy you want it
Start with a 4×4 grid, work up to a 6×6, then jump into the classic 9×9 game with four difficulty levels.
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4×4 Starter
Tiny 4×4 grid using numbers 1–4. Great for very first puzzles.
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6×6 Easy
6×6 grid using numbers 1–6. A friendly stepping stone to 9×9.
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Easy
Lots of starting numbers — perfect for sudoku newcomers and ages 7+.
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Medium
A bit more thinking required. Great once Easy feels too quick.
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Hard
Fewer starting numbers. You will need to look across rows, columns and boxes.
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Expert
Our toughest classic level — for confident sudoku stars.
Why kids love it
Bright and friendly
Big tap targets, playful colours and rounded grids — designed for small hands and tablets.
Two extra-easy grids
Begin with our 4×4 starter grid or 6×6 grid before stepping up to the classic 9×9 puzzle.
No signup, no ads in the way
Just open the page and play. Works great on phones, tablets, laptops and at the kitchen table.
Helpful tips for new players
Short articles for kids and parents — coming soon.