Sudoku Puzzles

6x6, 9x9, Samurai Sudoku and Killer Samurai Sudoku.

Sudoku is a Number Puzzle that requires no mathematical knowledge (no adding or multiplication). It is based upon Japanese style crosswords where you are required to use logic to place numbers onto a 9x9 grid. To solve the puzzle you must make sure that every column, row and 3x3 box contains the numbers 1 through to 9.

6x6 Grids

Just like the bigger puzzles. These are shorter but still a challenge! Download the puzzles or print blank grids to make your own.

6x6 Grids »

8x8 Grids

Same formula, different size, 8x8 grids. Choose and download the puzzles from various levels in print friendly pdfs to solve at leisure.

8x8 Grids »

9x9 Grids

The classic 9x9 puzzle that made sudoku famous world over. Download the puzzles or print blank grids to make your own.

9x9 Grids »

Puzzle Solver

Got a dificult puzzle to solve? Use the puzzle solver, and if you are interested learn how it was coded.

Solve a puzzle »

Samurai Sudoku

A more challenging variant of sudoku. In Samurai Sudoku there are 5 interlocking 9x9 puzzles to solve.

Samurai Sudoku »

Empty Grids

Want to make your own puzzles? Need a bigger grid to help solve those tricky puzzles? Download printable grids.

Download grids »

Killer Samurai Sudoku

The ultimate in sudoku challenge. This puzzle contains 5 interlocking killer 9x9 sudoku puzzles to solve. Serious time alert!

Killer Samurai Sudoku »

Killer Sudoku 6x6

Killer sudoku which uses totals as the clues. Try these tricky 6x6 killer sudoku puzzles

Killer Sudoku »

16x16 Grids

For those who want a much bigger challenge try these oversized 16x16 puzzle.

16x16 Grids »

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