Sudoku - 4x4 6x6 9x9 16x16 GAME
Features:
- sizes - 4x4, 6x6, 8x8, 9x9, 10x10, 16x16
- four levels of difficulty
- possibility of saving, for further continuation
- automatic saving
- availability of tips
- statistics
- color themes
- pencil mode
- cancellation of the last moves
