Game guide · ZBHQK
Jigsaw Sudoku: from controls to your first round
Read the aim of Jigsaw Sudoku, then make your first move. Fill each row, column and irregular coloured nine-cell region with 1–9 once. Check the relevant rule before repeating a move. Read the objective before making your first input. Check the relevant rule before repeating a move.
This collection contains 6 puzzles. Progress is saved in this browser. The same puzzle can appear again; the collection is not labelled with calibrated difficulty levels.
Something to practise
Compare the worked example with your own position. Use the reasoning, not an answer copied from a different board. Use the example to check your reasoning.
The purpose of your moves
Fill each row, column and irregular coloured nine-cell region with 1–9 once. An attractive position is not enough unless the goal is met. The example below illustrates a decision.
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.
Input guidance
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. Read the example below alongside these instructions.
Follow the example
The coloured region, not a conventional 3×3 box, defines the third no-repeat constraint. Focus on why the action is allowed, not only its outcome. 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. Check the rule before repeating the action. Compare the worked example with your own position. Use the reasoning, not an answer copied from a different board.
Further help with the game
For a quick reminder, what is the goal of Jigsaw Sudoku?
Keep this in mind: Fill each row, column and irregular coloured nine-cell region with 1–9 once.
For this browser game, how do I control Jigsaw Sudoku?
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 Jigsaw Sudoku?
Here is the relevant explanation: The coloured region, not a conventional 3×3 box, defines the third no-repeat constraint.
For my first round, what should I watch out for in Jigsaw Sudoku?
Here is the relevant explanation: A full board must obey every extra rule. Reveal supplies assistance; it is not an earned deduction.
On this playing page, what format does Jigsaw Sudoku offer?
Keep this in mind: This collection contains 6 puzzles. Progress is saved in this browser. The same puzzle can appear again; the collection is not labelled with calibrated difficulty levels.
While reading the Guide, which play mode does Jigsaw 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.
While learning, where should I start with Jigsaw Sudoku?
For clarity: Select an editable cell.
For a quick reminder, do I need an account or a payment for Jigsaw Sudoku?
Keep this in mind: No player account or payment is needed. Game scores are recreational results, not cash prizes.
While learning, how can I find Jigsaw Sudoku again?
Here is the relevant explanation: 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 Jigsaw Sudoku?
The key detail is this: 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.
