It is a brain training game "Sudoku Beginner (Number Place)" that anyone can play for free.

Sudoku puts a number from 1 to 9 in the empty square.
If you can fill all the squares with numbers according to the rules below
It is a puzzle game that clears the game.

(1) In the vertical column, enter all the numbers from 1 to 9 one by one.
The same number cannot be included more than once in the same column.
(2) In the horizontal column, enter all the numbers from 1 to 9 one by one.
The same column cannot contain the same number more than once.
(3) Put all the numbers from 1 to 9 in the 3x3 block one by one.
The same number cannot be included more than once in a block.

If you interrupt it in the middle, you can save it with the SAVE button, so you can start from where you interrupted next time.
So even if you only have a short time, you can easily play and save the progress, so you can start from the next time, so you can use your time effectively.
Also, if the puzzle has progressed halfway, even if you exit with the EXIT button, the progress status will be saved automatically, so you can start the game from the next time.
When you press the NEXT button, the next puzzle surface will be displayed.
With the NEXT button, the next puzzle plane is displayed without saving the progress status, so if you want to save the progress and move to the next puzzle plane, first save the progress status with the SAVE button. Then press the NEXT button.
The already cleared puzzle surface will be displayed in the cleared state and all the number input will be completed, but if you press the reset button, you will be able to play from the beginning again.
There are 34 puzzle planes, from simple to medium difficulty.
By selecting your favorite number for the puzzle side, you can choose any side you like at any time and play.
Free.