Simple Sudoku

Simple Sudoku is all the games you can enjoy free of charge.
Notes and auto save, etc., support function is available.
※ Game mode of [hard] problem, I will continue to update from time to time.

■Sudoku How to Play
Add any of the numbers 1 to 9 in the vacant cell.
Vertical and horizontal columns shouldn't contain more than the same number in a 3 × 3 block surrounded by a bold line.

■The function of Simple Sudoku
・Game mode
easy , normal , difficult, we offer three modes.
More than 2000 games, you can enjoy free of charge.

・Auto-save function
Game content is saved automatically.You can start from continuation when you challenge the same game again.

・Duplication check function
In vertical and horizontal column and 3x3 block, if there is a duplicate numbers, the numbers will turn red.

・Memo function
You can switch to the memo mode by touching the pencil button.
Please use if the number candidates there is more than one.It will be canceled when you touch the pencil button again.

・Undo function
Please touch the undo button when you make a mistake.

・Eraser function
Numbers and notes that you've entered can be erased by touching the Eraser button.

・Hint function
You can see the answer when you touch the Hint button at the top right of the screen.