Sudoku: a free puzzle game for kids aged 6+

Made famous by Nikoli in Japan. Fill the grid so each row, column and box has every number exactly once. Starts with a small 4 × 4 grid.

What children learn

• Logical reasoning: Rule things out until only one answer is left.
• Number sense: Spot which number is missing, fast.
• Persistence: Try, check and change your mind.
• Working memory: Keep track of which numbers are still missing.
• Pattern recognition: Spot rows and boxes that are nearly full.

Levels

• Beginner, ages 6+
• Intermediate, ages 7+
• Pro, ages 9+
• Hacker, ages 11+
• Demon, ages 13+

Free to play in the browser, with no sign-up and no ads. How to play Sudoku · More puzzles for kids