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Solo · FREE PLAY

Sandwich Sudoku

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Sudoku
Choose your controls and enjoy a free round.
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THE PLAYBOOK · TCJSJT

How to play Sandwich Sudoku

Take a moment with Sandwich Sudoku before moving to another game. 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. Treat the first round as a chance to learn the controls. Look at what changes after your first action.

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.

Review a difficult moment

When a decision goes wrong, compare it with the common mistake described below. Start again only when you intend to leave the current round. 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. An attractive position is not enough unless the goal is met. The example below illustrates a decision.

Step by step

  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.

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 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. Check the stated objective.

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. When a decision goes wrong, compare it with the common mistake described below. Start again only when you intend to leave the current round.

Common questions

On this playing page, what is the goal of Sandwich Sudoku?

Here is the relevant explanation: 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?

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.

When I return, what example helps explain Sandwich Sudoku?

Keep this in mind: If the values strictly between 1 and 9 are 2, 4 and 7, the sandwich clue is 13.

For this browser game, 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.

For a quick reminder, 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.

For this browser game, 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.

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