Sudoku: A Simple Puzzle That Builds Logic, Focus, and Mental Skills
Sudoku is one of the most popular number puzzles in the world. Simple rules, flexible difficulty, and a strong focus on logic make Sudoku appealing to beginners and experienced puzzle players. A standard Sudoku puzzle uses a 9×9 grid divided into nine smaller 3×3 boxes. The goal is to fill every empty cell with numbers from 1 to 9 while following specific placement rules.