When we find a new Sudoku variant you can read it here at our puzzle weblog.

To make life more easier for you we started a new web page with the Sudoku variants we found so far. The list in alphabetic order gives you a link to the Sudoku variant and a short description. The list is contains already more than 20 different Sudoku versions.

If you know Sudoku variants not listed yes, please let us know. Happy Puzzling!

Tags: Sudoku

Thanks to Josh from Puzzlinks.com I am now already one day puzzling on Penrose Sudoku.

This Sudoku variant is based upon the Penrose Slitherlink the quasi-periodic 5-fold tiling discovered by Sir Roger Penrose. The main trick to solving the puzzle seems to be discovering the row/column equivalents. Happy Puzzling!

Tags: Sudoku

Rolocu is a Twist’n'Swap Puzzle Game. Charles Edge pointed me to this game via an email.

Object of Rolocu is to arrange these squares so that each row and each column has all nine colors in them. Double click a square to rotate a quarter turn or drag and drop one square onto another to swap places.

It looks a like Sudoku with colors. Only with Rolocu there are three online puzzle types available: 1. Twist Puzzle : All the squares are in the correct position but have been rotated. 2. Swap Puzzle : No rotations but squares have been [Read More...]

KenKen puzzles are created by Japanese educator Tetsuya Miyamoto, but now the worlds most famous puzzle maker Will Shortz will bringing KenKen to the United States this fall. It will be syndicated nationally in newspapers and magazines in September and books will be out in October 2008.

Before the official introduction Will Shortz introduces KenKen and gives a brief play-by-play demonstration of this new puzzle craze on YouTube. More information about KenKen including an online version of KenKen puzzles can be found at KenKen.com

Previously we already wrote several times about KenKen on [Read More...]

Vexus Puzzle is a web site that features two new and original logic puzzles. The two puzzle available are Navigrid and Isolate.

Navigrid is a logic puzzle in the style of Sudoku and Kakuro. It’s a puzzle that requires you to fill a sequence of numbers into a grid. The trick is that there are only a set number of moves that can be made between two consecutive numbers. These moves are listed below the grid and each can only be used once.

Isolate is a logic puzzle in the style of popular Japanese [Read More...]

Zengaku is a blend between Sudoku and Kakuro puzzles and this form of puzzle was featured in the 2004 World Puzzle Federation Qualifiers.

The rules are simple:- Each empty box needs to be filled with a digit from 1 to 9- Each digit will occur only ONCE in each row and each column- Boxes that have a circle between them have consecutive digits- Likewise, boxes that do NOT have a circle between them do NOT have consecutive digits- Columns must total the number above them, while rows must total the number on their left

There [Read More...]

At the website The Griddle you can find a lot of different kind of Sudoku. The ones I love most are Curve-doku and Multi-doku, both Sudoku variants of Sum-Doku and Greater Than Sudoku.

About Curve-doku : This puzzles is Sudoku but with curved sections. This one has difference markers and greater-than symbols for clues.

About Multi-doku : This Sudoku variation contains two 6 by 6 cell grids which overlap in a 2 by 3 region. Each grid contains different clues, which include greater-than symbols and even digit markers.

Happy Puzzling!

Tags: Sudoku