Sudoku, one of the world’s most popular pastimes, has reached a new level of fun. Salamander Software today announced the launch of SpeedSudoku.com — not just another free online Sudoku game. This new website challenges Sudoku enthusiasts to test their problem-solving skills against players from around the globe. Initial feedback from the Beta stage reveals that Speed Sudoku’s concept is long overdue in the online gaming market.

“Each day, millions of Sudoku lovers pick up their newspaper and play their favorite game,” explains Salamander Software founder Brian Lack. “But playing alone can get a little boring. The idea that [Read More...]

National Geographic Traveler’s Sudoku: China Game is an twist by National Geographic on the world famous Sudoku puzzles.

Earn beautiful images while challenging your mind in National Geographic Traveler’s Sudoku: China. Choose from increasingly challenging Sudoku puzzles set against a backdrop of stunning photography. The authentic scenery from the world’s greatest photographic libraries is yours to keep. Play an unlimited amount of Sudoku puzzles and unlock over 70 stunning images and 30 locations. National Geographic Traveler’s Sudoku: China full game features:- Visit over 30 of the most popular sites in China- Integrated travel map system allows you to explore China [Read More...]

Jan Mrozowski’s hand darted with catlike deftness across the giant grid stuck to the wall in front of him. First one corner, at full stretch, then the other, his solving of the final puzzle in the World Sudoku Championships was reminiscent of the routines Pan’s People performed on Top of the Pops.

With a final flick of the pen and a short step backwards to check his handiwork, the Pole turned and gave a triumphant cry that signalled that the search for the world’s best Sudoku solver was over for another year.

The room, filled with chatter and a fug [Read More...]

Brian left a comment at a previous blog entry about KenKen Puzzles.

In his comment Brain let’s us know that he is hooked on is KenKen. “I don’t think it’s possible that things like KenKen and crosswords don’t help your brain stay fit.”

Brain also made a 10 minute (!) video about how to start solving a 9×9 KenKen puzzle in which the operation signs are not given.

Brain, Thanks for sharing and Happy Puzzling!

Tags: Puzzle

Phil. from SudokuGeant pointed me to yet another huge Sudoku Puzzle.

This time a super-giant Sudoku puzzle with 144×144 cells (=20736 cells). That means 256classic 9×9 Sudoku’s linked together on one huge grid. They have also a pdf version of this super giant Sudoku (best result printed on A3). Happy Puzzling!

Tags: Sudoku

0-2-5 (OhTwoFive) is yet another great puzzle by The Griddle. 0-2-5 puzzles contains elements of kakuro, sum Sudoku, and shape Sudoku.

Object of 0-2-5 is to fill the grid with the digits 0, 2 and 5 only to add up to thespecified row and column sums. In each shape in the grid, all squares must contain the same digit. Happy Puzzling!

Tag: Sudoku

Str8ts Puzzle is a Sudoku variant and is about identifying the next cells that can be deduced from the clues in the black and white cells.

The Rules are simple: 1. Rows and columns are divided into compartments of white squares. 2. Squares in compartments need to be filled in with single numbers. 3. These must complete a ‘straight’. A straight is a set of numbers with no gaps and in any order. 4. No single number can repeat in any row or column. 5. Clues in black cells remove that number as an option in that row and [Read More...]