Sudokus solver's guide
Tip 1. Tap/click a square to highlight it and show a keyboard on smartphones/tablets.
Tip 2. Type a number in the square. Numbers breaking Sudoku rules do not appear.
Tip 3. "Check entries" puts a red cross through incorrect entries.
Tip 2. Type a number in the square. Numbers breaking Sudoku rules do not appear.
Tip 3. "Check entries" puts a red cross through incorrect entries.