Sudoku Master - Free Sudoku game, suitable for sudoku puzzle beginners and sudoku experts. Solve sudoku puzzles in the classic sudoku game, whether you want to practice your logical thinking or just to spend your free time, playing our Sudoku world tour puzzle game will be a great choice!

Take a break with classic Sudoku puzzles, freeing you from busy work and heavy stress. Play daily sudoku challenges on your phone or tablet anywhere and anytime, even offline, sounds much more fun than with real pencil and paper. Choose which sudoku level you like, there are many brain exercises. Train your logic and sensitivity with number puzzles gradually!

Sudoku Master - Free Sudoku game features:
♥ 3 types of classic sudoku grid sizes: 4 × 4, 6 × 6 and 9 × 9
♥ Many levels: Easy, Medium, Hard and Expert
♥ Detailed game rules: Guide you to play sudoku step by step
♥ Notes: Helps you keep track of possible numbers
♥ Smart Hints: guide you through puzzles when you get stuck

How to play Sudoku Master: Sudoku game for free
♥ Fill all rows, columns and 3x3 blocks with numbers 1-9 exactly like in classic sudoku
♥ Pay attention to nests - groups of cells are indicated by marked areas.
♥ Make sure the total in each cage is equal to the number in the upper left corner of the cage.
♥ The specific rule of this logic puzzle is that the sum of all numbers for each 3x3 block, row or column is always 45.
♥ Numbers cannot be repeated in nested, single row, column or 3x3 area.

Unlimited levels
Every time a player successfully solves a Sudoku puzzle, he or she will have a certain chance to take it to a higher level. The difficulty of each level is harder than before, and the probability of repeating all cards is almost zero. Sudoku around the world has a unique Sudoku problem solving algorithm. Each player will reach their own set of abilities at a certain level. However, through the unique game mode of the Sudoku world tour, you can practice your ability to reason logic and overcome the bottlenecks of your brain to reach higher levels.

Countdown
The game has added a unique countdown system. If the countdown is 0, the game will be over. The level of the game will decrease, and the player will be given a certain amount of time to continue the challenge, which further increases the difficulty for players to challenge higher levels.

Creative props
Sudoku game has an indispensable markup tool, it is used to aid in marking numbers to deduce numbers correctly. Nil Sudoku has very creative smart auxiliary props. These props can deal with low-difficulty number filling, can also reduce the occurrence of human errors and can greatly save players time and more difficult Sudoku challenges.

More Sudoku world tour game options:
♥ Undo: Allows to undo numbers that don't match the most recent Sudoku game solution.
♥ Highlight options: Mark blocks, columns and rows for the selected cell.
♥ Check the same numbers option: When you select a box with a number, the same numbers are highlighted.
♥ Auto remove note option: When numbers are set, delete it from all notes in a row, column and block.
♥ Highlight unique number option: When you select the only blank cell in its row, column, and block, highlight the final answer for that cell.
♥ Mark same note option: When the box is selected with a number, the same notes are highlighted.

Enjoy.