Godoku

Godoku

Complete the grid so that every row, column and every three-by-three box contains any nine letters. Once the grid is complete, the hidden word should be revealed.

Godoku Solver

Sudoku

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 Generator Sudoku Solver

Samurai Generator Samurai Solver

Super Sudoku

Super Sudoku

Complete the grid so that every row, column and every four-by-four box contains all the digits 0 to 9 and the letters A to F. Solve the puzzle by logic and reasoning alone, no maths is required to solve. This variant on Sudoku is considerably harder to solve than the three-by-three Sudoku.

Super Sudoku Generator Super Sudoku Solver Killer Sudoku GeneratorKiller 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.

Godoku Statistics
Total members:  5,544   Members joined today:  1
Total Sudokus solved:  98,749   Sudokus solved today:  12
Total Sudokus generated:  781,116   Sudokus generated today:  23
Last 3 members joined:  chenghua, fross123, Juancho

Sign up for free now! Free Daily Sudoku

News

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!

More news...