Sudoku Free Puzzles

Classic sudoku game for your smartphone and tablet. 🖕How to play: Tap on empty cell, select it and then tap on a number from keyboard to enter solution. Place numbers 1 through 9 in empty cells. Each row, column and square(3x3) needs to be filled with numbers 1 through 9, without repeating any numbers within the row, column or square(3x3) When whole sudoku puzzle cells filled with solution without any errors, Puzzle solved!! 🤘Features: - Four difficulty levels (easy, normal, hard, very hard). - Tutorial with several techniques (from beginner to advanced) for solving the game. - Unlimited undo and redo. - Game saving. - Notes. - Auto noting empty squares. - Auto updating notes. - Square coloring with two colors for advanced techniques. - Errors checking (manual and automatic). - Screen rotation control. Check screen rotation for playing in portrait and landscape or uncheck it for playing in the mode you prefer no matter the orientation of the screen. - Turn on/off time during game play - Night mode Theme