Sudoku Free 8

Developer's DescriptionBy Reflection ITPlay standard 9x9 grid Sudoku puzzles on your Windows 8 device.Exercise your visual scanning and processing powers and strengthen your brain. It features three different difficulty levels (easy, normal, and hard), random puzzle generator so you will always get a new one, auto save (roaming), supports touch, mouse and keyboard input, undo, redo and pencil notes, validate, hint, and solve, and live tiles showing the current level and percentage complete.