Sudoku：games for free

Category	Price	Seller	Device
Games	Free	zhang ting	iPhone, iPad, iPod

From simple 4×4 grids to more challenging Percent Sudoku,
the difficulty scale goes from easy to medium to nightmare.

Download it now and play right away! Let's begin a Sudoku journey of endless fun!

Multiple modes - 4×4, 6×6, 9×9, diagonal, percent, etc. There must be one suitable for you!
Marking function - Wanna leave marks on your phone? Don't worry! You may choose Mark All or Mark Manually to help you sort out!
Save & Load - Something's come up in the middle of a game? Just save it and come back later to continue!
Automatic Log - Not pleased with your previous solution? Just retrieve the log, check up on it and challenge again in a new way!
Helper - Feel stuck in your reasoning? Helper will tell you what is wrong. You don't have to start all over again!

Control Instructions:
1. Select a game mode and start from Easy before unlocking more stages step by step.
2. Enter the game, select a blank grid and calculate which number should be filled in.
3. Tap the corresponding number button below to fill it in.
4. You may use Note or Hint to help you work it out faster.
5. Use Next and Previous to switch between previous steps.