THE PLAYBOOK · 360-L
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. Keep the game area visible while you use its controls. Identify the playing area and the controls you need. Keep the game area visible while you use its controls.
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.
Notice the feedback
Watch the feedback after an action. A message can explain whether the input was accepted or whether a rule needs attention. Notice the feedback after each input.
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. Notice how the game responds to your input.
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. Keep the playing area visible while using these controls. Use the visible help when you are unsure of the next input.
A useful example
If the values strictly between 1 and 9 are 2, 4 and 7, the sandwich clue is 13. Use the example as a guide rather than a substitute for reading your board. Keep the controls nearby.
Watch out for this
A full board must obey every extra rule. Reveal supplies assistance; it is not an earned deduction. Take a moment to reassess the position before continuing. Take enough time to read a new position. If a game has a timer, learn its controls first rather than searching for them during the round.
Common questions
As a new player, what is the goal of Sandwich Sudoku?
For clarity: Solve the Sudoku while each outside clue gives the sum strictly between 1 and 9 in that row or column.
When I return, how do I control Sandwich Sudoku?
For clarity: Click or tap cells and the digit pad. Use Notes, Undo and Reveal selected. Large boards scroll inside the game.
Before I begin, what example helps explain Sandwich Sudoku?
Here is the relevant explanation: If the values strictly between 1 and 9 are 2, 4 and 7, the sandwich clue is 13.
On this playing page, what should I watch out for in Sandwich Sudoku?
A full board must obey every extra rule. Reveal supplies assistance; it is not an earned deduction.
While learning, what format does Sandwich Sudoku offer?
For clarity: 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.
On this playing page, which play mode does Sandwich Sudoku use?
The mode on this page is Solo. Same-device play uses one screen; this game library does not provide internet matchmaking.