Sudoku is arguably one of the best ways to spend a cold, rainy night at home by yourself. Solving a nine-by-nine sudoku square is a deeply satisfying — and often challenging — experience, and it’s for ...

With the right Sudoku tips, tricks and strategies, you can ace the puzzle every time! Here's your chance to become a Sudoku pro. Whether you’re a total beginner with no clue at all as to how to solve ...

Chances are, you’re fully aware that the number-placement logic game Sudoku is massively popular. But if you’ve been in a cave the past few years and need evidence, look no further than the 18 (and ...

Pens, pencils and a facility with numbers. Also helpful: earplugs, plushies, a water bottle, calming herbal oil and the occasional “wild bifurcation” (a.k.a. a wild guess). Competitors at the World ...

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Gordon Royle does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

Mr. Kaji, a university dropout, turned a numbers game into one of the world’s most popular logic puzzles. By Livia Albeck-Ripka and Hisako Ueno Maki Kaji, a university dropout who turned a numbers ...