Classic Sudoku

Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.

Sudokus that no one can solve

Sudokus that no one can solve, not only including Sudokus which are very difficult but also those that no one has tried to solve.

27 October 2025

28 October 2025

数独 | Cool Sudoku | 数独 | Sudoku Puzzle | 賢くなるパズル

Today Sudoku

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Samurai Sudoku

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Sudokus with no one can solve

X Sums Sudoku

Little killer sudoku

Classic Sudoku

Extra Regions Sudoku

Makodoku

Sum Frame Sudoku

Greater Than Sudoku

Group Sum Sudoku

Multi Diagonal Sudoku

Clone Sudoku

Skyscrapers Sudoku

Hybrid Sudoku ( X Sums + Consecutive )

Quadruple sudoku

Hybrid Sudoku ( X Sums + Consecutive )

Kropki Sudoku

Hybrid Sudoku ( Consecutive Pairs + Sum Frame )

Consecutive Sudoku

XV Sudoku

Greater Than Kropki Sudoku

Consecutive Sudoku

Exclude Sudoku

Thermo Sudoku

MiniMax Sudoku

XV Sudoku

Count different Sudoku

Hybrid Sudoku ( X Sums + Greater Than )

Products Sudoku

Color Sudoku

Hybrid Sudoku ( Greater Than + Sum Frame )

Maximin Sudoku

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Classic Sudoku

Sudokus that no one can solve