An ardent Sudoku fan himself, he seems to be surrounded by people who love the game as well. “My wife and two daughters love to play Sudoku,” he says, before adding with a laugh, “and so do some of my ...

While most people play sudoku by themselves, these codes are decidedly communal. Scott Armstrong, a solver in Philadelphia, said that applying the more complex strategies gave him new ways to ...

For youngsters, playing games like Sudoku can improve focus ... and brings a sense of happiness and achievement," she explained. As people age, it's vital to keep the mind active.