Charity Ndinda, an entrepreneur, discovered Sudoku during the Covid-19 pandemic—a time when, in her own words, “nothing was making sense.” Her ex-boyfriend introduced her to the game, and before she ...

By Elie Levine and Sam Corbin Sudoku is like any other logic puzzle, in that it relies on deductive reasoning for its solution. There are numbers in the game, but no arithmetic is required to ...