🧩 Sudoku Reveal

Game options

Background photo

Choose file No file chosen

Difficulty

Show errors

High contrast

Ready. Upload a photo and start solving!

How to play

• Click a cell, then type 1–9. Use Backspace/Delete to clear.

• Correct entries make that tile semi-transparent so the photo shows through.

• Finish the whole puzzle to reveal everything.

Orange glow = selectedRed outline = conflict (if enabled)