The goal is to fill the 9×9 grid so that each column, each row, and each of the nine 3×3 subgrids contain all of the digits from 1 to 9. No repeats!
This version includes Pencil Mode for jotting down notes, a challenging Strict Mode, number highlighting, and game pause!
🎮 How to Play
1. Click on an empty cell to select it.
2. Click a number on the number pad to enter it. If the selected cell has a number, identical numbers on the board will highlight!
3. Pencil Mode : Toggle this ON to enter small candidate numbers (notes) in a cell. Click a number again to remove the note. Turn OFF to enter final numbers.
4. Strict Mode : If enabled, making more than 3 mistakes will end the game.
💡 Platinum Tips & Features
• Hints : Stuck? The hint button can reveal a "Naked Single" or a simple correct number.
• Check : Validates your current entries and highlights any errors.
• Pause : Need a break? Pause the game and timer.
• Eraser : Clears the selected cell's main number or all its pencil marks (if in Pencil Mode).