THE PLAYBOOK · RUIQIWJ
How to play Sandwich Sudoku
Start Sandwich Sudoku by looking at the playing area and its controls. Solve the Sudoku while each outside clue gives the sum strictly between 1 and 9 in that row or column. Choose a clear next step rather than rushing through the instructions. Compare the starting position with the example in the Guide. Choose a clear next step rather than rushing through the instructions.
This collection contains 8 puzzles. Progress is saved in this browser. The same puzzle can appear again; the collection is not labelled with calibrated difficulty levels.
Make the controls familiar
Locate the buttons and input area before beginning a long round. Use the on-screen labels to avoid an accidental restart. Make the next step deliberately.
Your goal
Solve the Sudoku while each outside clue gives the sum strictly between 1 and 9 in that row or column. The feedback beside the game helps you follow the round. Keep the controls in easy reach.
Step by step
- Select an editable cell.
- Enter a value using the keypad or keyboard; Notes stores candidates.
- Read the region, cage, arrow or outside clues alongside the normal constraints.
- Check entries verifies the completed board; Undo reverses your last input.
- New puzzle selects another included puzzle.
Controls
Click or tap cells and the digit pad. Use Notes, Undo and Reveal selected. Large boards scroll inside the game. A careful first action helps you become familiar with the layout. Use one clear input at a time.
A useful example
If the values strictly between 1 and 9 are 2, 4 and 7, the sandwich clue is 13. Apply the same reasoning to the position in your own round. Notice the change in the playing area.
Watch out for this
A full board must obey every extra rule. Reveal supplies assistance; it is not an earned deduction. Check the rule before repeating the action. Locate the buttons and input area before beginning a long round. Use the on-screen labels to avoid an accidental restart.
Common questions
When I return, what is the goal of Sandwich Sudoku?
The key detail is this: Solve the Sudoku while each outside clue gives the sum strictly between 1 and 9 in that row or column.
Before I begin, how do I control Sandwich Sudoku?
Keep this in mind: Click or tap cells and the digit pad. Use Notes, Undo and Reveal selected. Large boards scroll inside the game.
While reading the Guide, what example helps explain Sandwich Sudoku?
For clarity: If the values strictly between 1 and 9 are 2, 4 and 7, the sandwich clue is 13.
For my first round, what should I watch out for in Sandwich Sudoku?
For clarity: A full board must obey every extra rule. Reveal supplies assistance; it is not an earned deduction.
As a new player, what format does Sandwich Sudoku offer?
Keep this in mind: This collection contains 8 puzzles. Progress is saved in this browser. The same puzzle can appear again; the collection is not labelled with calibrated difficulty levels.
Which play mode does Sandwich Sudoku use?
The key detail is this: The mode on this page is Solo. Same-device play uses one screen; this game library does not provide internet matchmaking.
