Smart Sudoku - Number Puzzle

Overview
Embark on a cerebral journey with Smart Sudoku - Number Puzzle, challenging your logic and problem-solving skills with meticulously crafted grids.

Key Features
1. Varied Difficulty: Smart Sudoku incorporates 6x6, 9x9, and 12x12 grids, each offering Easy, Moderate, Hard, and Challenge difficulty levels.
2. Error-Checking Options: Experiment with error detection for a customized challenge or activate automatic checking to highlight mistakes during gameplay.
3. Pencil Mode: Enjoy traditional sudoku techniques with a helpful digital pencil feature, updating annotations as cells are filled.
4. Duplicate Highlighting: Avoid numerical repetition with the system's built-in duplicate number alert within rows, columns, and squares.
5. Helpful Tips: Navigate tricky puzzles using hints to push past difficult spots.
6. Game Statistics: Monitor your sudoku journey with comprehensive tracking of game history, timing, and performance metrics.
7. Undo Feature: Flexibility to revise strategies unlimited times.
8. Auto-Save Functionality: Never lose progress with automatic saving, allowing you to return to your puzzle at leisure.
9. Focus Aid: Pair cells with rows, columns, and boxes for better concentration.
10. Error Removal: Effortlessly erase all mistakes or unwanted entries.

Interesting Gameplay
1. Place digits from 1-9 into the grid, confining them to rows, columns, and unique 3x3 regions without repetition.
2. Leverage a starting lineup of numbers presented in a skeletal puzzle grid that solvers will bring to completion.
3. Use offered tips and automatic notifications to up your game or ignore aids for a full brain workout.
4. Implement strategic withdrawal switches, noting patterns, and narrowing down the possibilities for cell entries.
5. Embrace diverse puzzles and steadily tackle tougher challenges as your mastery over sudoku blossoms.