Sudoku free brain training

Good old familiar to many Sudoku puzzle. Our game is an example of the "well-posed" Sudoku - each task has a single solution: just fill free cells with digits so that each row, each column and each of the nine 3x3 "regions" contain all of the digits from 1 to 9. Features • Intuitive user interface: just drag the tile to the table, move or delete it. "Classic" controls are also available: select an empty cell, then click on the desired number from 1 to 9. • Multiple levels of difficulty: both for a beginner and an experienced player. • Mistakes highlighting • Ability to use hints and notes. • Autosave: go back to the unsolved puzzle at any time! • Available on phones and tablets