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VOYOG

Solo · FREE PLAY

Sandwich Sudoku

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Sudoku
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Game guide · VOYOG

How to play Sandwich Sudoku

Choose a round of Sandwich Sudoku and settle into its rules. Solve the Sudoku while each outside clue gives the sum strictly between 1 and 9 in that row or column. Use the example below to understand a decision. 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.

An idea for your next attempt

Choose one rule to keep in mind for this round. Apply it consistently rather than guessing what another version might allow. Refer to the controls when needed.

The goal to keep in mind

Solve the Sudoku while each outside clue gives the sum strictly between 1 and 9 in that row or column. Read that aim before choosing your first action. Return to the instructions when a step is unclear.

Follow these playing steps

  1. Select an editable cell.
  2. Enter a value using the keypad or keyboard; Notes stores candidates.
  3. Read the region, cage, arrow or outside clues alongside the normal constraints.
  4. Check entries verifies the completed board; Undo reverses your last input.
  5. New puzzle selects another included puzzle.

Getting comfortable with the controls

Click or tap cells and the digit pad. Use Notes, Undo and Reveal selected. Large boards scroll inside the game. Read a button’s label before selecting it. Make sure you are interacting with the game rather than the surrounding page.

A closer look at one 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. Choose a deliberate next step.

An important reminder

A full board must obey every extra rule. Reveal supplies assistance; it is not an earned deduction. Compare the situation with the worked example. Choose one rule to keep in mind for this round. Apply it consistently rather than guessing what another version might allow.

Answers about the rules and controls

As a new player, what is the goal of Sandwich Sudoku?

Keep this in mind: Solve the Sudoku while each outside clue gives the sum strictly between 1 and 9 in that row or column.

While learning, 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.

For this browser game, 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.

Before I begin, 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.

When I return, 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.

For this browser game, 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.

For this browser game, where should I start with Sandwich Sudoku?

Keep this in mind: Select an editable cell.

While reading the Guide, do I need an account or a payment for Sandwich Sudoku?

For clarity: No player account or payment is needed. Game scores are recreational results, not cash prizes.

When I return, how can I find Sandwich Sudoku again?

For clarity: Use the Games list or save this game page in your browser bookmarks. The Guide is linked from the playing page.

For a quick reminder, how do I report an issue with Sandwich Sudoku?

For clarity: 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.

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