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Getting started with Jigsaw Sudoku

Try a more deliberate round

Take enough time to read a new position. If a game has a timer, learn its controls first rather than searching for them during the round. Refer to the controls when needed.

What you need to achieve

Fill each row, column and irregular coloured nine-cell region with 1–9 once. Read that aim before choosing your first action. Review the board or playing area as it changes.

From the start of a round

  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.

Keyboard and screen controls

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. Look at the feedback after the action.

An example to follow

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. Take a moment to compare.

A mistake to avoid

A full board must obey every extra rule. Reveal supplies assistance; it is not an earned deduction. Check the rule before repeating the action. After a move, check what changed. Decide which rule explains the new state before acting again.

Game-specific help

For my first round, what is the goal of Jigsaw Sudoku?

For clarity: Fill each row, column and irregular coloured nine-cell region with 1–9 once.

For a quick reminder, 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.

While reading the Guide, what example helps explain Jigsaw Sudoku?

Keep this in mind: The coloured region, not a conventional 3×3 box, defines the third no-repeat constraint.

On this playing page, 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?

The mode on this page is Solo. Same-device play uses one screen; this game library does not provide internet matchmaking.

While reading the Guide, where should I start with Jigsaw Sudoku?

Here is the relevant explanation: Select an editable cell.

When I return, do I need an account or a payment for Jigsaw Sudoku?

Here is the relevant explanation: 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?

For clarity: 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.