Mark your calendars for the largest puzzle championship in the United States! The Philadelphia Inquirer Sudoku National Championship is in Philly on October 25, 2008 and there are over US$20,000 in cash prizes for different skill levels as well as other different groupings.

The special host is none other than world-renowned puzzle master Will Shortz, and the special guest is Maki Kaji, “the man who gave Sudoku its name.” Visit the Sudoku webpage at the The Philadelphia Inquire website for more information and to register. Here you can also find some Sudoku [Read More...]

Hitori is a nice number puzzle game and looks a bit like Sudoku.

The Hitori puzzle is solved when these three rules are met. 1. White squares with the same number only appear once in any row or column.2. Black squares may not be next to one another.3. All white squares must connect in a single continuous path.

The game grid shows duplicate numbers in a row or column in red. Eliminate duplicate numbers by clicking on them. Happy Puzzling!

Tags: Puzzle Game

KenKen is the brilliant successor to Sudoku that’s taken Japan by storm selling over one million copies in less than a year.

In collaboration with The Times, Collins – the no 1 puzzle publisher – are proud to be bringing it to the UK. KenKen is a new type of brain-training puzzle based on logic and simple arithmetic. Perfect for all ages and highly addictive, KenKen puzzles challenge and entertain in an entirely new way! The puzzle was invented by a charismatic Japanese maths teacher, Tetsuya Miyamoto in 2004.

The name comes from ‘Ken’ which is the Japanese word for [Read More...]

Finally you can play an unlimited number of Sudoku Puzzle at our Online Puzzle Page.

Online Sudoku is a javascript version of the popular Japanese number game Sudoku. Fill in the Sudoku grid with digits in such a manner that every row, every column and every 3×3 box accommodates the digits 1-9, without repeating any.

There are three levels of Sudoku’s available (Hard, Normal, Easy) to match your Sudoku skill. It’s also possible to save a puzzle so you can continue anytime you want. For more info about how the game [Read More...]

The Google U.S. Puzzle Championship will be held on Saturday June 14, 2008 at 1pm ET. Please read the rules and register here before June 12, 2008.

You have no obligation to participate if you register and can submit your answers online. You are given 2 1/2 hours, but you’re not expected to complete all puzzles the given time. Typical puzzles include Sudoku variants and other “grid” puzzles, but there are also a bunch of grab-bag puzzles, like a “spot the difference” puzzle. [Read More...]

If you like puzzles and Conies there is now next to the Crossword version of Converse All Star also the Sudoku version of Convers chucks available. As most Converse lovers make their own version of their Chuck Taylors by writing on them, this is a ideal version of Converse as they can solve the puzzles on them [via Su.doku.es]

Tags: Converse | Chuck | Sudoku | Crossword

For the real Sudoku addicts Westin Hotels & Resorts will launch Sudoku-themed services by cooperating with Japanese publisher Nikoli Co. (well known for their hand made Sudoku’s), which has given the name of Sudoku to the number placement puzzle.

Westin has opened a Japanese-style garden called ‘Sudoku sanctuary’ in central London, which will operate for a limited period through Monday.

Westin Hotels & Resorts will serve tea to visitors, hoping that they will relax and enjoy Sudoku puzzles. Similar gardens are set to be launched in Paris, Milan and Madrid soon.

Westin Hotels & Resorts will also provide Sudoku-themed services [Read More...]