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 ...

Solve the grid in this expert Sudoku puzzle! The objective of Sudoku is to fill each row, column and sub-grid with exactly one of each number from 1-9. A conflict arises if you repeat any entry in the ...

Solve the grid in this expert Sudoku puzzle! The objective of Sudoku is to fill each row, column and sub-grid with exactly one of each number from 1-9. A conflict arises if you repeat any entry in the ...

Increased concentration, reduced stress and anxiety, and an overall healthy mindset. All this and much more is possible when you play Sudoku on a regular basis. You can now start to play online Sudoku ...

If you're a Sudoku fan, then chances are you'll love to get your hands on a good brain teaser puzzle. But with so many ...