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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 · HKCYJC

Understand the basics of Sandwich Sudoku

Open Sandwich Sudoku, check the instructions and begin a round. 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. Make your first input carefully and watch the result. Check the relevant rule before repeating a move.

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.

Practice beyond the first move

Locate the buttons and input area before beginning a long round. Use the on-screen labels to avoid an accidental restart. Keep the objective visible.

What you need to achieve

Solve the Sudoku while each outside clue gives the sum strictly between 1 and 9 in that row or column. Use the instructions to see which actions move you towards it. The example below illustrates a decision.

The order of play

  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.

Your inputs

Click or tap cells and the digit pad. Use Notes, Undo and Reveal selected. Large boards scroll inside the game. Use the control method described here for this activity. Check any mode label before starting.

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. Check the stated objective.

An important reminder

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. Before your first action, say what you are trying to achieve. Then compare the result with the goal.

Clarifying the way this game works

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.

Before I begin, how do I control Sandwich Sudoku?

Here is the relevant explanation: 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?

For clarity: 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?

For clarity: A full board must obey every extra rule. Reveal supplies assistance; it is not an earned deduction.

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.

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