Game guide · SZWSXS
Your guide to Sandwich Sudoku
Make Sandwich Sudoku your next activity in the game library. 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. Choose a comfortable screen position before beginning. Use the example below to understand a decision.
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.
Build familiarity through play
Read one step at a time and try it on the playing area. Match the instruction to the control you use. Refer to the controls when needed.
What counts as success
Solve the Sudoku while each outside clue gives the sum strictly between 1 and 9 in that row or column. An attractive position is not enough unless the goal is met. Check the rules when you are unsure.
Making your moves
- 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.
Making selections and moves
Click or tap cells and the digit pad. Use Notes, Undo and Reveal selected. Large boards scroll inside the game. On a smaller screen, keep the active part of the board within view. Make sure you are interacting with the game rather than the surrounding page.
An example to follow
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. Look for the relevant detail.
Check this before moving on
A full board must obey every extra rule. Reveal supplies assistance; it is not an earned deduction. Read the feedback to see why an action did not have the expected result. Watch the feedback after an action. A message can explain whether the input was accepted or whether a rule needs attention.
Helpful answers for players
For my first round, what is the goal of Sandwich Sudoku?
Solve the Sudoku while each outside clue gives the sum strictly between 1 and 9 in that row or column.
For my first round, how do I control Sandwich Sudoku?
The key detail is this: Click or tap cells and the digit pad. Use Notes, Undo and Reveal selected. Large boards scroll inside the game.
As a new player, what example helps explain Sandwich Sudoku?
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?
Here is the relevant explanation: A full board must obey every extra rule. Reveal supplies assistance; it is not an earned deduction.
Before I begin, 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.
As a new player, which play mode does Sandwich Sudoku use?
Here is the relevant explanation: The mode on this page is Solo. Same-device play uses one screen; this game library does not provide internet matchmaking.
On this playing page, where should I start with Sandwich Sudoku?
For clarity: Select an editable cell.
When I return, do I need an account or a payment for Sandwich Sudoku?
Keep this in mind: No player account or payment is needed. Game scores are recreational results, not cash prizes.
For this browser game, how can I find Sandwich Sudoku again?
Use the Games list or save this game page in your browser bookmarks. The Guide is linked from the playing page.
While reading the Guide, how do I report an issue with Sandwich Sudoku?
Keep this in mind: Use the contact form and include the game name, browser, device and the actions that led to the issue. Do not send passwords or payment details.