John sent me last week an e-mail about a (for me) new type of Sudoku Puzzle which is published in the paper version of The International Herald Tribune.

Next to the nine grids in normal Sudoku puzzles this Sudoku variant has four extra grids which are shaded. Each of the nine grids and the four shaded grids must contain the numbers 1-9.

For now I will call this Sudoku variant ‘IHT Sudoku’, but looking for the original name. And I am also looking for information on where to find more of this Sudoku variant, as on the IHT website the [Read More...]

Sudoku Deluxe Green Edition is the feel-good game that makes it easy to help green our planet.

Mobile Deluxe has joined the green movement and we need your help. Approximately 25,000,000 trees are cut down every year, causing environmental harm such as deforestation, global warming and air pollution. Working together with our eco-partner Trees for the Future, we can make a difference by planting one tree at a time.

Contributing to this worldwide movement is simple. All you have to do is play Sudoku Deluxe Green Edition and earn enough points for a Tree Code. Once you’ve unlocked a [Read More...]

Sudoku Sniper is an online version of Sudoku in wich you play Sudoku against a computer bot.

Both of you solve the same Sudoku puzzle at the same time. You win if you score more points than the bot. Normal Sudoku rules apply for Sudoku sniper. Happy Puzzling!

Tags: Sudoku | Puzzle

At Passion For Puzzles we have seen a lot of  robot Sudoku solvers like an iPhone Sudoku solver called Sudoku Grab, a Lego Rubik’s Cube Solver and a Lego Sudoku Solver.

Now there is finally a LEGO Mindstorms NXT Sudoku solver, which not only scans the Sudoku puzzle and solves it, but also complete it with a pencil.

Watch the YouTube video called Lego Mindsolvers Sudoku. More information via Tilted Twister. Happy Puzzling!

Opensky Sudoku Generator is an online service which lets you to generate printable Sudoku puzzles which you can download (as Acrobat PDF files), print, and then work out with pencil and paper.

The generator produces classic symmetrical puzzles of varying difficulty levels. The difficulty level (‘Easy’, ‘Medium’, ‘Hard’, ‘Very hard’) appears on the printed page along with a difficulty factor ranging between 0.01 and 1.00 (the higher the value, the more difficult the puzzle).

The Sudoky Generator is part of the gnome-Sudoku software project, written by Thomas Mills Hinkle. This version simply makes it possible to [Read More...]

Experience Gamecarte Sudoku with its unique multiplayer and multi-device features. So now you can start solving Sudoku’s on your PC, save it and continue the same Sudoku on your mobile.

Connect with players from all around the world and see how you match up against the best. Sudoku is a logic – based number placement puzzle. The objective is to fill the grid with numbers so that every row, every column and every 3-by-3 box contains the digits 1 to 9, without repeating. Developed by Gamecarte CC, Sudoku is free for all registered Gamecarte users.

Tags: Sudoku

Rekubus Challenger 3D Puzzle is the latest addition to my puzzle collection (again thanks to my brother).

Rekubus Challenger is basically two puzzles into one. First you need to find out how the put the 3D cube together as there are 38 pieces. The second object is to place all the pieces so each face of the cube shows the numbers 1 to 9 in a sequence. Once complete it looks a bit like a Sudoku Cube, but no Sudoku rules applied.

If you would like more information about Rekubus Challenger you can visit the [Read More...]