## AboutSudoku - Free Sudoku puzzle game

This is a free Sudoku app for beginners to advanced Sudoku players.
As long as you have this Sudoku app, you can enjoy Sudoku for free, anytime, anywhere!

A wide range of problems from beginner to expert level problems.
We've made a lot of improvements to make it easy for you to solve Sudoku puzzles.
There are over 10,000 problems to play!
The same questions are rarely asked.
Have fun with Sudoku every day!

Features
- You can use the notes to write down the numbers that might fit in the squares.
- About HintsIf you get lost for a number in a problem, use the hints.
- If the same number is in a cell, the color of the overlapping numbers will change.

Puzzles
Classic
- [Beginner] for Sudoku beginners
- [Easy] for practicing
- [Normal] for people used to the puzzles
- [Hard] for those fond of Sudoku
- [Expert] for real Sudoku experts
- [Challenge] to help refresh your brain every day
- [Random Condition] Sudoku with various conditions

Jigsaw Sudoku
- [4×4] for Easy to solve
- [5×5] for beginners
- [6×6] for those who are getting used to it
- [7×7] for those who want to try jigsaw puzzles at a moderate difficulty level
- [8×8] for those who want to take it to the next level
- [9×9] for those who want to try a higher level of difficulty

Rules
This is a puzzle game in which you put the numbers from 1 to 9 in a 9×9 square frame divided into 3×3 blocks.
Put the numbers from 1 to 9 in the empty squares.
No more than two of the same number can be in a 3x3 square divided by vertical, horizontal or thick lines.
Even if a number is placed in a row and column, the number cannot be correct unless all the squares are filled.

In Jigsaw Sudoku, the rule is that instead of a square frame, an irregularly shaped frame is used.
Jigsaw Sudoku is a fun puzzle based on a grid of four to nine squares, allowing you to choose the difficulty level you prefer.

What is Sudoku?
Sudoku is a classic puzzle logic game that is very popular.
Nowadays, it has become one of the simple classic puzzle games that are popular all over the world.
You can enjoy it as a way to pass the time and brain training.

Random conditions
You can play a question with different conditions every day.
The conditions, such as time limits and note usage limits, are automatically updated each day.
If a puzzle is difficult, you can try again after some time has passed.

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