India, Sept. 9 -- The humble 9x9 Sudoku grid is finding new takers among Delhi's youngsters. The logic puzzle, in which players fill a grid so every row, column and 3x3 box contains the numbers 1 to 9 without repetition, is becoming a way to take a break from social media. On International Sudoku Day today, enthusiasts share how the game is helping them step away from their phones.

A finite break

The appeal, psychologist Gayatri Batra says, lies in the contrast with social media. "Unlike social media's infinite, reward-driven scroll, Sudoku offers a finite problem. It is a game I have been advising a lot of my clients who especially have ADHD to take up. There is a clear end point - a small, closed loop of effort and payoff that doomscr...