Sudoku-kun + is an application that allows you to play number places with more than 3000 questions according to the difficulty level.

It was significantly updated in May 2022, and in addition to being able to play thumb cloth (addition cloth), it has a large number of functions as follows.

Functions list
-Temporary placement (9 pieces) function.
-Fixed placement function (fixed by time, prevention of erroneous operation).
-A function that makes the same number as the selected number stand out (optional).
-A function to make the input part look like handwriting (optional).
-Since each problem has its own save data, it is possible to solve the problems in parallel.
・ You can get more than 3000 questions for free according to the difficulty level.
-A function that focuses on a number from the beginning or when the number key is pressed when the fixed number is in focus.
-A vertical screen that can be operated by touch and a horizontal screen that can be operated like a joypad in a game are possible.
-As a unique function, there is a function to judge IQ based on the time taken to solve it, which is very rewarding.
-There is also a problem creation function, and you can enter problems such as magazines and solve them with this application.
-Furthermore, you can play another number puzzle, Samcross, which is very similar to Sudoku. For taking a break from Sudoku.
-Samcross can also get additional problems and play.