Sudoku Joy - Free Classic Number Puzzle Games, which is suitable for sudoku beginners and sudoku experts. Whether you want to exercise your logic thinking or just pass your free time, play our Sudoku number puzzle game will be a great choice!

Have a break with the Sudoku puzzles, rescue you from the busy works and heavy stress. Play it in anywhere and anytime. Choose the level you like, have some daily exercises. Train your logic and sensitivity to numbers gradually.

Sudoku Key Features:
★Endless collection of well crafted sudoku puzzles
★2 kinds of sudoku gameplay:Level mode & Random Mode
★3 kinds of grid sizes:4×4, 6×6 and 9×9 grid
★4 elaborate difficulty levels:Easy,Medium,Hard and Expert
★Detailed rules:Teach you play sudoku step by step
★Take notes:Help you keep track of possible numbers
★Intelligent hints:guide you through the puzzle when you get stuck
★Statistics:Keep track of your progress and personal records
★Daily challenges:Complete daily challenges and collect trophies
★Customize themes:4 gorgeous color themes for you to choose
★Adjustable brightness:Make your eyes more comfortable

More Sudoku game options:
♥Auto-undo mistakes option:Auto-undo the numbers which fail to match the final Sudoku solution.

♥Hide used numbers option:Hide numbers which are already placed in 9 different cells.

♥Number-first input option:Tap and hold a number to lock it and use it for multiple cells.

♥Highlight area option:Highlight a block,column and row for the selected cell.

♥Highlight identical numbers option:When you select a cell with a number,the same digits are highlighted.

♥Auto remove notes option:When the numbers is placed,remove it from all notes in a row,column and block.

♥Highlight the unique number option:When you select the only blank cell in its row,column and block,highlight the final answer for the cell.

♥Highlight the same notes option:When the selected cell with a number,the same notes are highlighted.

Play this Sudoku, you can train your brain anywhere, anytime.Have fun and exercise your mind at the same time with learn-able, and user-friendly fun math puzzles! You can gain endless pleasure and relaxation from the wonderful logic brain training puzzles. All your family members can join in, open an math crossword brainstorming,become great Sudoku killer!