Sudoku
What is Sudoku ? The Sudoku puzzle is a Japanese logic game which entered the western world in the last few months and is gaining popularity very fast.

17 and sudoku clues [video] | GrrlScientist
17 is the minimum number of clues required to give a unique sudoku solution – but how did mathematicians prove this? For those who aren't familiar with it, sudoku is a popular logic-based puzzle where numbers are placed into a 9×9 grid so that each column, each row, and each of the nine 3×3 sub-grids contain just one of the digits between 1 and 9. Sudoku has been around for a long time but was ...

Real life puzzle escape game comes to Singapore
Leaping off virtual reality and into the real world this weekend is a Japanese game concept that promises puzzle fans an experience they can actually live out. Racing against the clock, participants have to find and solve a variety of puzzles, such as pattern and logic problems as well as cryptograms in order to escape a location. In this case, the Chijmes cathedral. Related Stories Hougang MP ...

The art of Sudoku
It's been more than three years since Mick Colliss realised his lifelong dream of representing Australia at an international competition.

Spanish train offers lessons for California
Even in Europe's most extensive high-speed rail spot, it's not clear the trains cover operating costs. Officials there puzzle over the Golden State's plan to lay track first in the sparsely populated Central Valley.