Pixel Sudoku
How to Play
Fill the 9x9 grid so that each row, column, and 3x3 box contains all digits from 1 to 9. No repeats allowed in any row, column, or box.
Controls
- Click a cell to select it
- Use number keys 1-9 to place a digit
- Press Backspace to clear a cell
- Use the hint button if you get stuck
Difficulty Levels
Choose from Easy, Medium, Hard, and Expert. Each level starts with fewer pre-filled cells, requiring more logical deduction.
Tips for Beginners
Start by scanning rows and columns for missing numbers. Look for boxes with only a few empty cells — these are the easiest to solve first.
Advanced Techniques
Master techniques like naked pairs, hidden singles, and X-wing patterns to tackle Expert-level puzzles without guessing.