It is a puzzle game in which numbers 1 to 4 are arranged in a 2×2 block, 4 squares vertically and 4 squares horizontally.
Recommended for people who have difficulty playing normal 9x9 Sudoku or who want to play in a short amount of time.
All 4x4 Sudoku puzzles are presented, and if you can solve all the problems in this app, you should be able to solve any 4x4 Sudoku.
A total of 108 problems will be presented with slightly different solutions.
Even if you solve 108 problems, there are many other placement problems with the same way of solving, so you can challenge different problems repeatedly.

Download "Sudoku 4x4" on Google Play

How to use the app

Select the problem number you want to solve from the menu screen. The number that can be selected increases each time you solve the problem. It starts with easy problems and gradually gets harder.

 

All problems are designed to fill in some numbers. ★★★ will be marked if you can solve the problem without making any mistakes. If you make mistakes in the number, it will be marked with ★★ or ★.

How to solve the problem

Press the number button at the bottom and tap where you want to place it.

Watch the score

By tapping the dots on the top right of the menu screen and selecting "Score", you can see the records of the numbers of problems you have solved so far.

How to solve

Here is how to solve 4x4 Sudoku.
If you see how to solve, you will be able to solve all 4×4 sudoku problems. It's not very difficult, so it might be fun to try it without seeing it.