Challenge your mind with this classic number puzzle
⚡ Strikes
Easy
⏱️ Time: 00:00
📋 How to Play
Goal: Fill the 9×9 grid so each row, column, and 3×3 box contains digits 1–9
Controls: Click a cell, then click a number (or use keyboard 1–9)
Highlight: Click any filled number to highlight all matching numbers on the board
Timer: Starts on your first move, stops when the puzzle is complete
Strikes: Three wrong guesses and the game is over — think before you place!
✏️ Pencil Mode: Toggle to jot tiny candidate numbers in a cell without risking a strike. Click the same pencil number again to erase it. Confirmed placements clear pencil marks automatically.
Numbers: Automatically disabled when all 9 of that digit are placed