Sudoku Book - Number Puzzle app for iPhone and iPad

Brand New Free Sudoku Puzzle Game

Keep your brain sharp with the brand new Free Sudoku Puzzle Game. Thousands of Sudoku Puzzles Game to play and solve for FREE! A classic brain number puzzle games: Sudoku with beautifully refined user interface. Try new levels Youve never seen before!

Basic Sudoku Rules:
The grid is divided into nine blocks, each containing nine squares. The rules of the game are simple: each of the nine blocks has to contain all the numbers 1-9 within its squares. Each number can only appear once in a row, column or box.

Features:
- 4800 puzzles in four different difficulties (Gentle, Medium, Hard, Evil).
- Choose a variety of skins, and there is a night mode, which protects your eyes at night.
- User-friendly interface: Focus on solving sudoku problems. Try it and experience the charm of numbers!
- Hints: Give you the best clues to solve the puzzle.
- Undo: Undo helps the Sudoku problems be traced back to its previous state.
- Note Mode: Turn on the note mode to take notes like a piece of paper.
- Statistics: You can check your records at a glance.

Best Sudoku games, classic Sudoku games. Play Sudoku Free! Solving Sudoku free puzzles requires $0! Free to download, free to play, no WiFi games! Train your brain anytime and anywhere with the Sudoku Book. Challenge yourself how quickly you can solve problems! Awesome graphics, supreme simplicity, animated highlight... all for your brand-new experience in the classic Sudoku Brain games.

(Tip: "Sudoku" is a Japanese word, which means "single number". However, it was originated in Switzerland and then got popular in Japan and then America. It is often misspelled as soduko, soduku, sodoku, suduko, sudoko, etc.)

Enjoyword sudoku and number games? This is your final destination! The best sudoku app for sodoku fans!