THE PLAYBOOK · XINGYUANKC
Making your first moves in Sandwich Sudoku
Try Sandwich Sudoku at your own pace and keep its objective in view. 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.
A focus for your next round
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 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. Take a moment to understand the current position.
The order of play
- 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.
Using the playing area
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. Make sure you are interacting with the game rather than the surrounding page.
A useful example
If the values strictly between 1 and 9 are 2, 4 and 7, the sandwich clue is 13. Your next round may have a different position, so inspect it before acting. Verify the rule before continuing.
Keep this in mind
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. Read one step at a time and try it on the playing area. Match the instruction to the control you use.
Read these answers for extra help
For my first round, 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.
While learning, 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.
When I return, what example helps explain Sandwich Sudoku?
The key detail is this: If the values strictly between 1 and 9 are 2, 4 and 7, the sandwich clue is 13.
For my first round, 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.
For this browser game, 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.
When I return, 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.
