THE PLAYBOOK · CHENXIJIXIE
Making your first moves in 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. Look at what changes after your first action. 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.
One thing to notice as you play
Compare the worked example with your own position. Use the reasoning, not an answer copied from a different board. Refer to the controls when needed.
What the game asks you to do
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. Follow this game’s rules rather than another version’s.
The steps to 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.
Keyboard and screen controls
Click or tap cells and the digit pad. Use Notes, Undo and Reveal selected. Large boards scroll inside the game. Keep the playing area visible while using these controls. A new-round button replaces the current round.
Try this 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.
Keep this in mind
A full board must obey every extra rule. Reveal supplies assistance; it is not an earned deduction. A different version of the game may use a different rule. Choose one rule to keep in mind for this round. Apply it consistently rather than guessing what another version might allow.
Common questions
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.
For my first round, 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.
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 my first round, what should I watch out for in Sandwich Sudoku?
Keep this in mind: 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?
The key detail is this: 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.
While learning, which play mode does Sandwich Sudoku use?
Keep this in mind: The mode on this page is Solo. Same-device play uses one screen; this game library does not provide internet matchmaking.