If yes, you’re not alone. Sudoku is one of those simple and fun puzzles that can match any mood. Some days you want a quick win, and some days you want to sit calmly and solve something step by step.

Add Yahoo as a preferred source to see more of our stories on Google. Daily puzzlers would be quick to tell you that sudoku, Wordle’s mathematical cousin, is not as easy as it looks. The small grid, ...