Win a Times Sudoku Calendar

Win one of four copies of The Times Sudoku Calendars

Do you want to win one of next year’s sudoku calendars with over 300 of the world’s highest quality Sudoku produced by us for the The Times?

All you need to do is solve the Samurai Sudoku and submit your entry online for a chance to win. You can even make your selection from a choice of our Sudoku books!

Enter Competition



Sudoku and Samurai Sudoku

Complete the grid so that every row, column and every three-by-three box contains the digits 1 to 9. Solve the puzzle by logic and reasoning alone, there is no maths involved.

Sudoku GeneratorSudoku Solver

Samurai GeneratorSamurai Solver

Killer Sudoku

Killer Sudoku and Super Sudoku

We have the world exclusive: the first truly interactive Killer Sudoku solver and generator. To play, complete the grid so that the numbers in the dashed cage sums to the total and every row, column and every three-by-three box contains all the digits 1 to 9. This Sudoku variant will add a new and distinct level to Sudoku.

Killer Sudoku GeneratorKiller Sudoku Solver

Super Sudoku GeneratorSuper Sudoku Solver

News How To Play Sudoku Sign Up!Member Profile Competition The Sudoku Program Sudoku FAQ Newsletter Sudoku Books Sudoku Links Sudoku Syndication Contact Us

The original and best Sudoku Solver available!

In no time at all, solve any valid 3x3 Sudoku, 3x3 Godoku, Killer Sudoku, 4x4 Super Sudoku and 5-grid Samurai Sudoku puzzle.

Prize Sudoku Statistics
Total members:  5,441   Members joined today:  2
Total Sudokus solved:  99,211   Sudokus solved today:  3
Total Sudokus generated:  731,795   Sudokus generated today:  29
Last 3 members joined:  RecordT3, simmco, Sudoku111

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Friday, 25th June 2021 We’ve just released our new members’ Sudoku book for our full members. As with all the previous books, it contains 100 new Sudoku puzzles and variants: Sudoku, 3×2 Sudoku, 4×3 Sudoku, Godoku, Super Sudoku, Samurai Sudoku and Killer Sudoku.
Download your copy now, simply sign up as a full member now!
Thursday, 14th June 2018 Killer Combinations Illustration - Showing for 21 cage totalWe have recently put together a Killer Sudoku cage combination reference to help you when solving hard Killer Sudoku puzzles. This has been a request from a few of our regular Killer Sudoku players and we're happy to add this useful little guide. It lists all possible combinations of numbers that can be placed in a Killer Sudoku cage, given the cage size and total. This will really help your game!

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