Amazon Free App of the Day:

Challenge your mind with virtually limitless Sudoku puzzles! The classic numbers-based logic game that’s taken the world by storm, Sudoku offers 4 levels of difficulty, possibility to create own puzzles, cheater mode when game will solve your puzzles and undo/redo function.

Sudoku is a logic game played on a 9×9 grid using digits 1 through 9. This grid is further subdivided into nine 3×3 blocks. The goal is to fill in the grid with digits such that one and only one of each digit 1 through 9 appear in every row, column, and block. There is only one solution to a sudoku grid.